Which vein or veins drain the knee region of the body?
a. external iliac veins
b. popliteal vein
c. femoral vein
d. great saphenous vein
Ans: b. popliteal vein
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What is the earliest sign of puberty in girls?
A) The first menstrual period B) The appearance of pubic and axillary hair C) The onset of breast development D) The increase in muscle mass E) The appearance of sebaceous and axillary glands
Salivary amylase digests proteins.
Answer the following statement true (T) or false (F)
Which system engages in mass activation?
A. Parasympathetic nervous system B. Sympathetic nervous system
As individuals age, the efficiency of the respiratory system typically
A) increases somewhat. B) decreases. C) changes in proportion to the rate of change of body weight, as occurs in young individuals also. D) does not change as much as does that of most other systems. E) responds more rapidly to immediate changes but cannot maintain the response over as long a duration.