Identify the structures in the following figure. a. ___b. ___c. ___d. ___e. ___f. ___g. ___h. ___

An action potential can travel quickly from one cardiac muscle cell to another because of the presence of (a) gap junctions, (b) tight junctions, (c) intercalated discs, (d) both a and c.

What three layers of connective tissue are part of each muscle? What functional role does each layer play?

How does cardiac muscle tissue contract without neural stimulation?

Muscle tone keeps muscles healthy. What is muscle tone, and what causes it? What happens to a muscle that loses its tone?

Bill broke his leg in a football game, and after six weeks the cast is finally removed. As he steps down from the examination table, he loses his balance and falls. Why?

Multiple ChoiceMore than one choice may apply.Your ability to lift that heavy couch would be increased by which type of exercise?a. Aerobicb. Endurancec. Resistanced. Swimming

The smooth muscle type found in the walls of digestive and urinary system organs and that exhibits gap junctions and pacemaker cells isa. multi unit,b. unitary.

Compare skeletal, smooth, and cardiac muscles in regard to their microscopic anatomy, location and arrangement in body organs, and function in the body.