The part of the blood responsible for carrying oxygen is the:
(a) white blood cells
(b) platelets (c) plasma (d) red blood cells
ANSWER: D
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Braxton Hicks contractions and lightening occur during
A. the first trimester. B. the second trimester. C. the third trimester. D. labor.
Which of the following activities are most closely associated with natural killer cells?
a. production of TNF-alpha b. lysis of virus-infected cells c. phagocytosis of bacteria d. release of reactive oxygen intermediates e. production of IFN-gamma.
At 50 percent training intensity, the recommended duration of cardiorespiratory training for a reasonably conditioned adult is ____ minutes per session.
A. 15-20 B. no more than 45 C. about 30 D. about 60 E. no less than 90
The bones of the foot are known as the _______________________
Fill in the blank(s) with correct word