Over 1 million of these microscopic units produce urine in the kidneys.
A. glomerulus
B. alveoli
C. glomerular (Bowman's) capsule
D. microvilli
E. nephron
Answer: E
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Which of the following membranes of the amniotic egg assists in gas exchange?
a. yolk sac b. chorion c. amnion d. allantois
Maintaining the solute concentration and temperature of this extracellular fluid is an important part of homeostasis:
a. interstitial fluid b. blood c. urine d. lymph e. water
Signals from the parasympathetic nervous system cause which of the following?
a. rise in blood pressure b. increase in pulse rate c. increase in digestive system movements d. rise in blood sugar level e. rise in metabolic rate
Which muscle type is involved in the function of the digestive tract and blood vessels?
A. Smooth. B. Cardiac. C. Voluntary. D. Skeletal.