This figure shows the endocrine system. Which number indicates the thymus gland?

A. 1
B. 2
C. 3
D. 4
E. 6


Answer: C

Anatomy & Physiology

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The connective tissue covering the outer surface of a bone is (the)

A) matrix. B) osteon. C) periosteum. D) endosteum. E) articular cartilage.

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If a biopsy of the quadriceps muscles (muscles on the front of the thigh) were taken from gold medal-winning speed skaters in the four following events, which would most likely have the SMALLEST percentage of type 1 muscle fibers?

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Which of the following arteries supplying blood to the scalp is NOT a branch of the external carotid artery?

A. Supraorbital B. Occipital C. Superficial temporal D. Posterior auricular

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During exercise, our vessels constrict and vessel radius decreases. What impact does a decreased vessel radius have on blood flow?

A) Blood flow remains the same. B) Blood flow decreases. C) Blood flow increases. D) Vessel radius has no impact on blood flow.

Anatomy & Physiology