Choose the age-related changes that are often seen in the reproductive system of males
Decreased size and weight of gonadal tissue
Infertility
Changes in the prostate gland
Increased incidence of erection
Decreased libido
__X__ Decreased size and weight of gonadal tissue
_____ Infertility
__X__ Changes in the prostate gland
_____ Increased incidence of erection
__X__ Decreased libido
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Macrophages are derived from ________.
A. basophils B. monocytes C. neutrophils D. lymphocytes E. eosinophils
The vagina is
A) lined by simple columnar epithelium rich in goblet cells. B) similar to the inner lining of the uterus. C) another term for the cervix. D) a muscular tube extending between the uterus and the external genitalia. E) a muscular tube extending between the uterus and the anus.
Which of the following is true concerning the number and type of permanent teeth?
A) There are 32 permanent teeth, and the wisdom teeth are the last to emerge. B) There are 27 permanent teeth, and the first molars are usually the last to emerge. C) The number of permanent teeth is always equal to the number of primary teeth. D) The number of upper permanent teeth is not equal to the number of lower permanent teeth.
Homeostasis refers to the relative constancy of the external environment.
Answer the following statement true (T) or false (F)