Anatomy and Physiology of Animals/Muscles/Test Yourself Answers

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1. What kind of muscle tissue:

a) Skeletal muscle moves bones.
b) Cardiac muscle makes the heart pump blood.
c) Smooth muscle pushes food along the intestine.
d) Smiling is a voluntary action (usually!) so skeletal muscle is involved.
e) You cannot control “Goosebumps” so the muscles involved are smooth muscles.
f) Although breathing seems to be involuntary most of the time it is possible to control it voluntarily so the diaphragm (the main breathing muscle) is a skeletal muscle.

2. What structure connects a muscle to a bone?

A tendon connects a muscle to a bone.

3. What is the insertion of a muscle? The insertion of a muscle is the end attached to the bone that moves most when the muscle contracts.

4. Which muscle is antagonistic to the biceps?

The triceps is the muscle that forms the other half of the antagonistic pair with the biceps.

5. When you flex your knee what movement are you making?

When you flex your knee you bend your knee.

6. When you extend your ankle joint what happens?

When you extend your ankle joint you point your toes.