Skeletal muscles are arranged in antagonistic pairs. what does this mean and what is an example?
a. there are always paired tendons and ligaments; the hip joint.
b. when one sarcomere contracts, the neighboring one relaxes; triceps and biceps.
c. one is under conscious control and one is not; the diaphragm and ribs.
d. there is always paired cartilage and muscle tissue; the knee joint.
e. when one contracts, the other relaxes and this allows the bones to move; triceps and biceps.