The heart is confined within a double-walled serous membrane sac. The part of the membrane that is in contact with the heart is the ________ layer.

A. serous
B. synovial
C. parietal
D. mesothelial
E. visceral


Answer: E

Anatomy & Physiology

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In the natural world, the complex response of an animal to seasonal changes in temperature is known as __________

Fill in the blank with the correct word.

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Syndesmosis is to ligament as symphysis is to:

A) suture. B) gomphosis. C) dense regular collagenous connective tissue. D) fibrocartilage.

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The trachea branches into two ________________________________________

Fill in the blank(s) with correct word

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The sodium chloride molecule breaks apart in water. What does "A" represent?

A. Salt crystal B. Sodium ion C. Water molecule D. Dissociation E. Chloride ion

Anatomy & Physiology