Identify the paired structure within a cross-section of the penis
A) Corpora cavernosa
B) Corpus spongiosum
C) Urethra
D) Lumen
Answer: A
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Answer the following statements true (T) or false (F)
1. The correct sequence of development is zygote, blastocyst, and morula. 2. The energy needed for the early development of the zygote is supplied by the ovum that was fertilized. 3. The yolk sac is an important food supply for the growing fetus. 4. In humans, one function of the yolk sac is to assist in the production of blood cells. 5. The amnion is the bridge between the mother and baby wherein food and oxygen are exchanged for carbon dioxide and waste products.
How many spermatids result from one spermatogonium?
A) 2 B) 4 C) 16 D) 8
Innate immunity triggers a series of mechanisms that target specific pathogens; the mechanisms are called ________
A) Helper cells B) Adaptive immunity C) Passive immunity D) Activation cells
Micturition is another term for __________.
A. the production of nitrogenous wastes B. glomerular filtration C. the countercurrent multiplier process D. inflammation of the urinary bladder E. the elimination of urine