The basic unit of a muscle is the

a. striated muscle
b. motor neuron
c. muscle fiber

What does the body do during the resistance phase of the gas model? options: a) it prepares to fight danger or run from it. b) it identifies the primary source of danger. c) it begins to return responses to normal. d) it repairs itself from fatigue and stress.

Warming up prepares the body for exercise in what way? a. muscularly b. cardiovascularly c. neurologically d. all of the above

Which of the following statements about communication is most accurate