Blood flow is greatest at the ________ of the lungs and perfusion is greatest at the ________ of the lungs.

A. base; base
B. base; apex
C. apex; apex
D. apex; base


Answer: A

Anatomy & Physiology

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A low platelet count is referred to as __________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which female structure is homologous to the male scrotum?

A. Labia minora B. Labia majora C. Clitoris D. Urethra E. Vagina

Anatomy & Physiology

The tissue that contracts to provide force is the ________ tissue.

A. connective B. muscle C. nerve D. epithelial

Anatomy & Physiology

Target cells make more receptors for a particular hormone when the level of that hormone declines in the blood stream. This process is known as:

A) upregulation. B) the second-messenger system. C) synergism. D) downregulation.

Anatomy & Physiology