The length of hair is determined by the
A. size of the hair bulb.
B. age of the person.
C. length of the resting stage.
D. angle of the hair root.
E. rate of hair growth.
E
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Which is not correct regarding lymph nodes?
A. Connective tissue bands called tendineae divide nodes. B. They contain a network of lymphatic sinuses. C. They are covered by a connective tissue capsule. D. Lymphatic nodules produce lymphocytes. E. Each node has an outer cortex and inner medulla.
Osteons run perpendicular to the diaphysis of a long bone.
Answer the following statement true (T) or false (F)
Which is NOT true of myelin?
A. It is a fatty membranous sheath. B. It is formed by glial cells. C. It influences the velocity of conduction of an electrical signal down an axon. D. It covers all parts of the neuron, including the axon, cell body, and dendrites.
which of the following are true regarding the cell cycle? select all that apply.
a) the cell cycle is programmed and generally takes no more than 1 - 2 hours b) some cells like stomach and skin cells divide rapidly c) some cells leave the cell cycle for a "rest" and cease to divide for days, years, or the rest of one's life