Questions tagged [bio-mechanics]

For questions about the mechanical processes that allow organisms to live, including respiration, consumption, excretion. Focus on shapes of body parts and connections between parts.

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Explosive biology

My organism live in planet full of water . It has only small percent of land about 5% only. It is big as gorilla. It eats metal ores and gains sustenance from it. My organism developed an powerful ...
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-3 votes
0 answers
41 views

Super concentrated energy [closed]

My organism is a bird . It lives in forest. It had dangerous predators with some superpowers. It has the ability to expel neural energy of predators which it can absorb through some body parts of its ...
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4 votes
1 answer
81 views

Super powerful dragon biology

The lower jaw is hollow, to support the breath weapon, but the upper also has a weapon pocket. Each gland secretes a chemical that reacts with the other - the upper secretes a magnesium-rich oil that ...
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  • 149
3 votes
0 answers
99 views

Altering the muscles of giant creatures to let them stand without collapsing by changing their proteins

One of the problems with scaling up creatures without increasing their proportions is that their muscles won't be strong enough to support their weight due to the square-cube law, which I'm sure you'...
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-1 votes
2 answers
71 views

Organic metallic compound [closed]

My organism have a weight of 270 kilograms. It have height of 2.49 metres. My organism is reptile and it lived in animals with metallic shells . My organism has bite force enough to crush car in ...
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4 votes
1 answer
93 views

Superheating furnace stomach

My organism lives near volcano. It consumes large quantities of rock and digests specific minerals, expelling the remaining rock, super heated by his furnace like stomach, as lava. What mechanism ...
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  • 149
-2 votes
1 answer
64 views

Alien biochemistry [closed]

My creature was alien which home was destroyed . It got into another planet similar to earth . Its organs are not like humans. It sustains itself with by passively drawing in body heat and the ...
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  • 149
2 votes
5 answers
126 views

Scientifically plausible powers : part 1 [closed]

My creature was capable of creating plasmoid flames from thin air not requiring oxygen and combustible objects similar to this "The user can create, shape, and manipulate plasma fire or fiery ...
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4 votes
1 answer
450 views

My creature's cells mix water and some of the stuff in pee to cool themselves. How does it get that stuff to its cells?

After reevaluating the creature that cools its blood with lye and sal ammoniac, I removed the middleman - the cooling chamber and use of blood as coolant - and replaced the potassium hydroxide/...
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9 votes
4 answers
962 views

Is there space in an average animal cell that I could cram some extra organelles into?

From what I can tell, there's lots of room available inside a cell; certainly, all the graphic representations of them I can find seem to show that a lot of the volume of the cell is cytoplasm, as ...
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6 votes
2 answers
237 views

How Tall Can Flightless Birds Plausibly Get?

These flightless birds are under strong selective pressure to be able to feed on high up conifer needles, and avoid predation from T-Rex sized predatory flightless birds. The forests the birds are ...
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13 votes
1 answer
1k views

Possible mechanisms for life near absolute 0

The overview: Would any form of complex life be possible near absolute 0? At least for my personal standards, the "life" merely has to be: a self-sustaining, self-replicating machine, with ...
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6 votes
1 answer
162 views

How can we maximize the speed of a bipedal digitigrade humanoid?

How fast can a digitigrade bipedal ape possibly run? I've raked through any question I could find on here talking about speedy bipeds or digitigrade bipeds (that aren't robotic/synthetic), but none ...
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  • 344
3 votes
4 answers
539 views

A creature has one heart per bodily extremity. How large does each have to be?

The creature has several hearts, each supplying blood to one limb. For all other intents and purposes the creature is human. Of the six smaller hearts, one supplies each arm and leg, one supplies the ...
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2 votes
1 answer
86 views

How does my symbiotic fungus silicify its own cell walls to armor its host's bones?

Fungi have cell walls which - unlike those of plants, which are made out of cellulose, xylan, and lignin - are instead made out of chitin, glucan, and mannans. A fungus I'm planning on writing about ...
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6 votes
3 answers
146 views

Shock resistant brains

Being hit in the head with a blunt object, or accelerating too fast (in a rocket) can cause serious brain injuries for people. There are animals who seem to fare better, like woodpeckers. Apparently, ...
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1 vote
3 answers
113 views

I'm not a biologist or an engineer. How do I design legs for a large animal that leaps very long distances?

For designing fictional animals, I'm trying to design one with four appendages that is meant to jump large distances vertically and length-wise and is as large or larger than a human, with hands or ...
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6 votes
2 answers
136 views

Knuckle-walk in snow / very cold climate

Is knuckle-walking efficent on snow / ice / thick snow ? Can a predator large as a polar bear evolve this? Is protecting the claw in such way, to far fetch considering the fact that the beast need to ...
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-1 votes
2 answers
114 views

Science of speculative biology [closed]

My animal lives in planet full of rocks, so it evolved a drill-like mechanism in his hand. What material is that biological drill made of that crack granite like stones with ease ?
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2 votes
2 answers
61 views

I’m making this story that has a blown up planet, and I’m trying to have some animals and creatures that live here that have changed or been modified [closed]

So In this story the main planet has been blown up way before the point of the story taking place, and well I have most of the architecture down I’m stuck on coming up with creatures to inhabit it and ...
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5 votes
2 answers
128 views

Chameleon harpoon tongue - plausable or not?

My future “chameleons” have evolved a harpoon-like tongue as an adaptation for catching larger prey as their own body size has gotten significantly larger over the milions of years. I drew a simple ...
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9 votes
6 answers
2k views

Could a creature breathe carbon monoxide?

In real life nothing breathes carbon monoxide, but it still binds to the things that are supposed to carry oxygen around the body to my understanding. Could a form of life be able to actually use ...
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9 votes
3 answers
842 views

Vampiric kiss with effects similar to nitrogen narcosis

My story has vampires in it. Within my story's universe, I want a human kissing one mouth-to-mouth to result in nitrogen narcosis-like symptoms for said human, and for said symptoms to intensify as ...
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4 votes
2 answers
91 views

How much salt juice does my bioelectric pulsed field magnet need?

I'm making an organism which generates its own magnetic field - specifically, a magnetic field which pulses on and off repeatedly. Said organism uses said magnetic field to communicate with other such ...
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4 votes
3 answers
1k views

How big can a young mad scientist make their homemade Clifford before he overheats?

Long story short, a child mad scientist wants to scale up their pet dog - they read about Clifford, and wish to replicate that story, as a young mad scientist generally does. The billionaire mad ...
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6 votes
2 answers
162 views

Bones with iron like beaver teeth. Would it work?

Beavers, asides from being the largest rodent in North America and making rather fetching hats, also have iron compounds within their teeth enamel which allows said tooth handle higher amounts of ...
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3 votes
3 answers
348 views

If endotoxemia and proteins denaturing are no longer problems, what's the next overheating-related threat to an organism?

Let's say that it's impossible for a hypothetical organism's proteins to denature - unfolding and loosing their structure - due to high heat, and that, as such, temperatures equal to those required ...
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1 vote
2 answers
118 views

How do I stop blood from clotting except upon exposure to the atmosphere? [closed]

Blood clots in order to stop bleeding. The problem is that sometimes it clots when it's not supposed to. This is called thrombosis. It kills a lots of people each year. I want this to stop happening. ...
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8 votes
1 answer
316 views

How I Learned to Stop Worrying and Love the Limpet-Style Metal Superbones

Some context, right off the bat: I am a mad scientist. This means that evolution has been defenestrated; as such, I am not interested in determining what evolutionary pressures might lead to the ...
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6 votes
1 answer
155 views

metal/alloy based lifeforms? how would they function?

I've been working on an alien race for a while, and the look of them have changed a lot In the design process, but right now, I've stuck with metallic lifeforms.. essentially living machines, made ...
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7 votes
2 answers
365 views

How long and heavy can a tentacle tail get relative to the animal it's on?

While looking about for references on how to make a strong, prehensile tail, I found ProjectApex's answer to that exact question. The solution is to make the tail a muscular hydrostat, a bodily ...
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-8 votes
1 answer
93 views

Electromagnetic physiology [closed]

An electromagnetic ray fired from the my organism mouth, the EM Beam is incredibly deadly to those on the receiving end as the beam’s magnetism is up to 1 quadrillion gauss and strong enough to ...
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1 vote
1 answer
110 views

What would the effects of a muscle-wrapped mesh of a circulatory system be on a human?

Let's say that there is a biomodified human. Their circulatory system is something of a mesh; there are artificial connections between their blood vessels wherever physically possible, generally at ...
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2 votes
1 answer
37 views

Dealing with Arc Flash For Viji

I asked two questions (see here and here involving lightning for a species I created, called Viji. Viji are a race of metal-armored humanoids, and they live on mountains, so it seems obvious lightning ...
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-4 votes
2 answers
179 views

What material would my animal have to be reinforced in in order to fly at Mach 1? [closed]

My organism is a bird-like organism that lives on an earth-like world. My creatures speed clocked at mach 1. What material is my organism reinforced in in order to reach mach 1 just by flapping its ...
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  • 1
1 vote
1 answer
155 views

Hyper dense muscles

My organism has hyperdense muscles. This allows their type to generate enormous aerial force, some even able to cut things with their wings or generate G-force winds. What materials is their wings ...
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19 votes
5 answers
3k views

Are hydrocarbons viable foods for larger organisms?

There are some oil consuming bacteria which can break down hydrocarbons in the ocean. Since these tend to store a lot of energy, I was wondering whether it's possible for larger organisms to take ...
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2 votes
2 answers
152 views

What would be some biological features of a humanoid that can fit through a gap roughly the size of their head, like a cat?

Exactly what it says on the tin: what would be some biological features of a humanoid that can fit through a gap roughly the size of their head (give or take ~25% of their head's diameter)? I want a ...
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0 votes
1 answer
122 views

Internal polar system of my creature

My fauna has a mysterious internal polar system, which enables him to create an aura of voluminous clouds of absolute zero temperatures and summon torrential ice blizzards. What material is my ...
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0 votes
1 answer
120 views

Science of my creature super power

Geo-Ionikinesis: my creature is capable of generating plasmoid flames from thin air, not requiring the consumption of oxygen or combustible objects to maintain the flames. He has been seen being able ...
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2 votes
1 answer
113 views

Tough creature abilities skin

My creature has the natural ability to cause thunderstorms and heavy rain simply by coming into contact with the Earth’s atmosphere, its body producing several chemical compounds and unstable ...
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0 votes
1 answer
105 views

Viji Battery Defense

Viji are odd humanoids, clad in naturally occurring metal armor, that live on mountains. However, while their metal armor should protect them, Lightning striking full plate — what’s the damage to the ...
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1 vote
1 answer
110 views

Attack mechanism [closed]

My creature attack was basically generated by releasing a stream of super-cooled and super-heated air at the same time which, when they interact with the addition of a strong gust of wind, generates a ...
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3 votes
1 answer
156 views

How would a natural biological battery work?

Exactly what it says on the tin: what would be the structure and function of a naturally-evolved battery - i.e. a biological structure capable of storing electrical charge and powering an electrical ...
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2 votes
4 answers
160 views

How can a symbiotic bacteria affect psychology?

Let's say that I have a vampire. This vampire is engaged in a symbiosis with some kind of bacteria; this bacteria grants it increased blood oxidization, cancer-fighting abilities, improved neural ...
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3 votes
1 answer
117 views

What benefits could a creature gain by developing claws on its digits?

I have an alien creature which I am currently designing, but I am hesitant in deciding whether or not it should have claws on its digits. The creature in question is a bipedal cursorial hunter with ...
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2 votes
1 answer
246 views

How the limbs should be correctly positioned in the body of a "quadrupedal hexapod" humanoid?

This question basically is about problems with combine the question Anatomically correct multiarmed humanoids but turning the position to quadrupedal and specializing one pair of the two pairs fo arms ...
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  • 2,591
4 votes
2 answers
129 views

Viability of a predator that uses clubs to hunt (blunt hit attack)?

I think there are no predators that use clubs to hunt, maybe the closest thing is the mantis shrimp, but I think the killing factor are the waves produced and this happens in a very little size scale. ...
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  • 2,591
-1 votes
1 answer
367 views

What would the side effects of being a shapeshifter be? [closed]

In this historical-fantasy scenario, a major protagonist has been given the ability to transform into every animal species that Earth has and had offered, alive and extinct. (Which means if he wants ...
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5 votes
3 answers
135 views

How a living prosthetic would work?

This is a little bit hard to explain concept, practically some like a kind of symbiosis in which two organisms evolve together one get transport, almost free nutrients and relative security and the ...
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