Precapillary sphincters control the flow of blood from ________.

A. capillary network to venules
B. arteries to arterioles
C. capillary network to arterioles
D. arterioles to capillary network


Answer: D

Anatomy & Physiology

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The chemicals secreted by endocrine glands are called _____

Fill in the blank(s) with correct word

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____ are the most abundant type of cellular element in the blood

a. Erythrocytes b. Neutrophils c. Leukocytes d. Lymphocytes e. Platelets

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In livestock, the nipple of the mammary gland is called the:

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