Which system maintains the volume and composition of body fluids?
A. Integumentary
B. Immune
C. Digestive
D. Urinary
E. Circulatory
Answer: D
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Four of the five answers listed below are related by their participation in water movement through plants. Select the exception
a. hydrogen bonds b. transpiration c. cohesion d. tension e. phytoremediation
During sexual arousal, the _____ secrete a small amount of a clear alkaline fluid, which appears as droplets at the tip of the penis before ejaculation occurs.
A. vas deferens B. seminal vesicles C. Cowper's glands D. interstitial cells.
The major carrier of chemical energy in all cells is:
A) acetyl triphosphate. B) adenosine monophosphate. C) adenosine triphosphate. D) cytosine tetraphosphate. E) uridine diphosphate
Which of these diagrams represents an age structure diagram of more-developed countries?
A. Diagram A B. Diagram B