Proteins
A. are the building blocks of nucleotides.
B. provide much of the structure of body cells and tissues.
C. insulate and cushion the body.
D. contain the genetic information of the cell.
E. are the body's source of immediate energy.
Answer: B
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During ventricular systole
A. only the AV valves open. B. the semilunar valves close and the AV valves open. C. only the AV valves close. D. only the semilunar valves close. E. the semilunar valves open and the AV valves close.
The periarterial lymphatic sheath and the lymphatic nodules are part of the red pulp of the spleen.
Answer the following statement true (T) or false (F)
What is another term for the armpit?
A) Axillary region B) Sural region C) Crural region D) Antecubital region
The membrane soft spots of a newborn's skull
A. become foramina. B. are synovial in nature. C. are called fontanels. D. occur only as a result of illness.