The red pulp in the spleen contains
A. lymphocytes.
B. worn out red blood cells.
C. macrophages.
D. All apply.
Answer: D
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The gonads
a. consist of a pair of testes in males and ovaries in females. b. produce gametes and secrete sex hormones. c. refer to the externally visible genitalia in both sexes. d. both (a) and (b) above. e. all of these answers.
On the os coxae, the ischial ramus is fused to the
A. ischial spine. B. pubic tubercle. C. ischial body. D. superior pubic ramus. E. inferior pubic ramus.
Muscle fiber fatigue results from ______.
A. calcium ion imbalances as ATP levels drop B. insufficient acetylcholine C. a perception by the individual that additional muscular work is not possible D. insufficient stimulus of the muscle fiber at the neuromuscular junction
Explain how a major drop in blood pressure caused by blood loss causes a decrease in the amount of urine lost.
What will be an ideal response?