The major means of increasing heat production in response to a cold environmental temperature is
a. skin vasoconstriction
b. wearing warm clothing
c. increased muscle activity, such as through shivering and increased voluntary exercise
d. formation of "goose bumps"
e. increased food intake
C
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The first step in tissue repair involves ________.
A) replacement of destroyed tissue by the same kind of cells B) proliferation of fibrous connective tissue C) inflammation D) formation of scar tissue
The essential organs of reproduction are the ________, which produce the sex cells.
a. accessory male glands
b. gonads
c. seminal glands
d. uterus
Which of the following would result from a reduced function of the Na+ channels in the SA node?
A. The heart rate would decrease. B. Depolarization would be delayed. C. Depolarization would be delayed, and the heart rate would decrease. D. The plateau phase would be shorter. E. Repolarization would not occur.
What type of joint is the eblow/cubital joint, and what action is allowed?
What will be an ideal response?