Athletes sometimes complain of oxygen debt, a condition that results when insufficient oxygen is available to completely break down pyruvic acid. As a result, the pyruvic acid is converted to

Turning the foot so that the sole faces outward is an example of

The skin is actively involved in the production of ____.

Which of the following proteins is NOT a component of the thin filament?

The end of a long bone is the

The _____ ribs are directly connected to the sternum

Which consists of keratinized cells?

A joint in which movement can occur in all planes and directions is known as a ____.

Smooth muscle has thick and thin filaments arranged the same way as in skeletal muscle.

After nervous stimulation of the muscle cell has ceased, the calcium