Which of the following do not (does not) begin to develop until a child begins to walk?
A. The fibula
B. The lumbar curvature
C. The demifacets
D. The lumbar vertebrae
E. The cervical curvature
Answer: B
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The synthesis of new organic molecules, involving the formation of new chemical bonds, is called
A) glycolysis. B) catabolism. C) anabolism. D) differentiation. E) lipolysis.
If the volume of the lungs increases, what happens to the air pressure inside the lungs?
A) It decreases. B) It increases and possibly damages the lungs. C) It increases twice the amount of the increase in volume. D) It remains constant. E) It increases.
Why is oxygen so much more critical to the heart muscle than to skeletal muscles?
What will be an ideal response?
Which of the following does not influence smooth muscle activity?
a. autonomic neurotransmitters b. mechanical stretch c. hormones d. alpha motor neurons e. local metabolites