The fact that the left ventricle of the heart is thicker than the right ventricle reveals that it ________
A) pumps blood against a greater resistance
B) expands the thoracic cage
C) sends blood through a smaller valve
D) pumps a greater volume of blood
A
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Flow of a fluid through a tube (blood vessel) decreases when the
1.pressure at the proximal end increases. 2.length of the tube increases. 3.diameter of the tube increases. 4.viscosity of the fluid decreases. 5.tube drains into an open cavity rather than into another tube.
Each of these muscles can flex the vertebral column except the
a. external oblique. b. transversus abdominis. c. spinalis. d. internal oblique.
Which of the following is found in the palm of your hand?
A. Carpal B. Metacarpal C. Tarsal D. Metatarsal E. Phalanx
Aging can affect the rates of drug ________
A) Excretion B) Metabolism C) Absorption D) All of the above