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6 votes
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Are glands in human made up of muscles?

No they are not made of muscles. Glands are modified epithelial tissues. Glands are basically of two types Endocrine and Exocrine glands. Endocrine gland It is a gland that lacks a duct system. ...
Tyto alba's user avatar
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4 votes
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brain and fingers movement theorie

The body indeed uses lateral inhibition / surround inhibition. When using a muscle, neighbouring muscles are sometimes activated to. So active muscles are excited while nearby muscles are (partially) ...
Dwarz's user avatar
  • 179
4 votes

Can a hinge joint technically allow rotatory motion?

It is about the movement of the bone along its major axis of movement. A hinge joint moves like a lever while a pivot joint involves rotation side to side like an axle. It helps if you look at a ...
John's user avatar
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4 votes
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Animals with substantial five-fold symmetry besides starfish? Any land animals?

Many (if not most) of the Echinoderms (to which starfish belong as well) have five-fold symmetry, such as many sea liliy (Crinoidea) and sea urchin (Echinodea) species. Five-fold symmetrical sea ...
adjan's user avatar
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3 votes
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Difference between Trophic and Tactic movements

I think that you got a bit confused about terminology. In fact Chemotrophic is an organism that obtain energy by organic or inorganic molecules. In your case I think that you want to know the ...
Ogustari's user avatar
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2 votes

What is nastic movement due to growth?

Think about say the left side of a shoot growing more than the right side. That way the left side will be longer and will be pulled back by the right side. This causes the shoot to turn to the right. ...
Malhar Khushu's user avatar
2 votes
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Abrupt movements of birds and reptiles vs. smooth movements of mammals

Rats make rather abrupt movements too. I would expect the difference you observe in movement speed is caused by size more than it is caused by being a bird vs a mammal. But why size would matter? An ...
Remi.b's user avatar
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2 votes
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Nastic movements in Insectivorous plants

Answers: Sundew and Venus Flytrap show both Chemonastic and Thigmonastic movements. Pitcher plant doesn't move at all. Reasons in Description. Yes, Sundew and Venus Flytrap show both Chemonastic and ...
Asmit Karmakar's user avatar
1 vote

Is there "limbic mimicry" in real life to distract animals? (like it was portrayed in "Fantastic Beasts: The Secrets of Dumbledore")

Locomotor mimicry is what I've found while searching and it is very related. Locomotor mimicry is a subtype of Batesian mimicry in which animals avoid predation by mimicking the movements of another ...
ermanen's user avatar
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1 vote

Is there "limbic mimicry" in real life to distract animals? (like it was portrayed in "Fantastic Beasts: The Secrets of Dumbledore")

There's lots of different behaviours to avoid angering animals and to avoid attack. There are various technical terms for those things, but they aren't a formal field of study as far as I know. Here ...
bandybabboon's user avatar
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1 vote
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genetic difference subpopulations vs movement rate

[..] if a geneticist finds no significant difference between 2 subpopulations that have temporal spatial overlap This isn't clear. Significance difference between what? What statistical hypothesis ...
Remi.b's user avatar
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1 vote

If the human atlanto-axial joint is pivotal only, what accounts for the craniums additional degrees of freedom?

The additional degrees of freedom are provided by the entire cervical spine, rather than the atlantoaxial joint alone, which is the joint between C1 and C2. What you're describing as roll (when you ...
De Novo's user avatar
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1 vote

If hands are folded with both index fingers parallel, they will come closer and touch eventually?

The easy way to explai the first phenomenon is that at rest, your fingers - all of them - curl. Relax on your bed on your back. No matter what direction your hands face, they will curl inward as if ...
anongoodnurse's user avatar

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