What area in the figure represents a very deep exhalation, much greater than the tidal volume?
a) C
b) H
c) D
d) B
e) G
a
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Air entering the body is filtered, warmed, and humidified by the
A) lungs. B) alveoli. C) upper respiratory tract. D) lower respiratory tract. E) All of the answers are correct.
What ion triggers the movement of troponin to expose actins active site?
A. Sodium B. Chloride C. Calcium D. Potassium
Which of the following choices describes three general functions cells must perform?
A. Maintain shape, obtain nutrients, and dispose of wastes B. Respond to all hormones, maintain a waterproof barrier, give rise to gametes C. Grow until dividing, store complex carbohydrates, generate antibodies D. Take up oxygen, prevent water entry, undergo mitosis frequently
What brain region is responsible for learning, memory, and personality?
A) cerebrum B) cerebellum C) brainstem D) diencephalon