As a person ages,
A) the skin becomes more elastic.
B) lung tissue becomes more elastic.
C) peristalsis and muscle tone decrease.
D) all hormone levels decrease.
E) peristalsis and muscle tone decrease and some hormone levels decrease.
E
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Balding men have tried all kinds of remedies, including hair transplants, to restore their lost locks. Explain the cause of male pattern baldness
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All of the following can reproduce asexually EXCEPT ________.
A. animal cells B. plant cells C. viruses D. bacteria
The depolarization (rising phase) of the Action Potential is due to:
1.the influx of K+ from the ECF to the ICF. 2.the influx of Na+ from the ECF to the ICF. 3.the influx of Na+ through leak channels. 4.the movement of Na+ and of K+ by active transport. 5.None of these is correct.
Tonsils are secondary lymphatic structures.
Answer the following statement true (T) or false (F)