Bonus The muscle that retracts and elevates the upper lip is the ________ muscle.

Bonus Which muscle abducts the thigh, medially rotates the thigh, and stabilizes the pelvis during walking?

Synaptic vesicles contain neurotransmitters that are released by ________ when the action potential arrives.

Which type of joint is found between the carpal bones?

Supination and pronation refer to up and down movements of the foot at the ankle.

Bonus The four prominent muscles on the anterior thigh comprise the ________ muscle group.

A common injury to the ankle occurs by excessive turning of the sole inward, called

Bonus The long strap-like muscle on the anterior thigh is the ________ muscle.

_____ – cylindrical structure that consists of myofilaments; actively shorten; when they contract the entire muscle cell shortens

There is limited movement between the ribs and the sternum. Such joints are classified structurally as