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

Dense fibrous connective tissue is to a suture as a periodontal ligament is to a(n)

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

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

Characteristics of _____ include: enzymatic pathway that breaks down glucose into pyruvic acid, anaerobic, produces a net of 2 ATP, important when the lack of oxygen limits the rate of ATP production, primary of source of ATP during peak periods of activity

Curling into the “fetal position” ________ the intervertebral joints.

The functional unit of a skeletal muscle fiber is the

A ________ is a rigid structure that moves on a fixed point.

Bonus What is the main function of the quadriceps femoris group:

When a muscle fiber contracts, the I bands diminish in size, the H zones disappear, and the A bands move closer together but do not diminish in length.