The essential organs of reproduction are the ________, which produce the sex cells.
a. accessory male glands
b. gonads
c. seminal glands
d. uterus
b. gonads
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The word ________ implies an imaginary flat surface passing through the body.
A. direction B. tangent C. section D. figure E. plane
Which of the following is not true of the thymus gland?
A) It produces thymosin. B) It is located in the neck. C) It is important in the body's immune system. D) It is an endocrine gland.
Which of the following was NOT an accomplishment of early sex researcher Magnus Hirschfeld?
A. He established the first journal on the study of sex. B. He was the first to observe the ovum in humans. C. He administered the first large-scale sex survey. D. He established a marriage counseling service.
This medullary region of the lymph node contains primarily ________
A) T cells B) macrophages C) B cells D) support cells