Blood flow to the skin ________
A) is not an important source of nutrients and oxygen for skin cells
B) is controlled mainly by decreasing pH
C) increases when environmental temperature rises
D) increases when body temperature drops so that the skin does not freeze
C
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The __________ suture is between the frontal and parietal bones.
Fill in the blank(s) with the appropriate word(s).
________ is the medical specialty that focuses on postnatal development from infancy to adolescence
A) Geriatrics B) Orthopedics C) Pediatrics D) Psychiatrics E) Obstetrics
Picking up a book at a constant speed requires that
a. muscle tension be equal to the book's weight b. the muscle perform an eccentric contraction c. the muscle perform an isometric contraction d. the muscle perform a concentric contraction e. both a and d occur
Which type of muscle is found only in the heart?
a. cardiac b. skeletal c. smooth d. nervous