Which of the following is a lower chamber of the heart? atrium pacemaker septum ventricle

Which of these is not an intrinsic muscle of the foot? a. quadratus plantae b. abductor digiti minimi c. flexor digitorum brevis d. flexor digitorum longus e. abductor hallucis

Give the names of the following body motions produced by muscle actions: increases the angel of a joint. turns the palm downward. decreases the angle of a joint. points the toes.

Females who lift weights are not going to develop large, bulky muscles because a. they have more muscle fibers than men b. they have thicker muscle fibers than men c. they have lower testosterone levels than men d. all of the above does not change length