Which of the following must the human body obtain from the environment in order to survive?
A. Nitrogen
B. Water
C. Carbon dioxide
D. Wastes
Answer: B
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Which of the following variables contribute to moment of inertia?
A. F and d B. T and t C. M and v D. m and k
Curvatures of the spine serve the body by ________
A) applying greater pressure to the intervertebral disks preventing them from slipping B) providing space for soft organs in the various body cavities C) giving additional springiness and flexibility to the spine which absorbs shock D) limiting the flexibility of the spine and preventing hyperextension
Why are ependymal cells important in the nervous system?
What will be an ideal response?
Which structure makes up most of the floor of the midbrain?
a. tectum b. cerebral peduncle c. cerebral aqueduct d. superior colliculi