Question

Define voluntary, tendon, involuntary, strain, esophagus​

Answer 1

1. voluntary:

under the conscious control of the brain.

2. Tendon:

a flexible but inelastic cord of strong fibrous collagen tissue attaching a muscle to a bone.

3. involuntary:

done without will or conscious control.

4. strain:

a particular breed, stock, or variety of an animal or plant.

5. esophagus:

the part of the alimentary canal which connects the throat to the stomach. In humans and other vertebrates it is a muscular tube lined with mucous membrane.

Answer 2

voluntary: done, given, or acting of one's own free will.
tendon: a cord of strong, flexible tissue, similar to a rope.
involuntary: done without will or conscious control.
strain: when a muscle is stretched too much and tears.
esophagus: the part of the alimentary canal that connects the throat to the stomach; the gullet. In humans and other vertebrates it is a muscular tube lined with mucous membrane.