Which organelle is responsible for carrying out cellular respiration?
A. Cell membrane
B. Mitochondria
C. Golgi complex
D. Ribosomes
Answer: B
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An increase in PCO2 would cause
A) the bronchioles to constrict and the systemic arterioles to dilate. B) the bronchioles to dilate and the systemic arterioles to dilate. C) the bronchioles to dilate and the systemic arterioles to constrict. D) the bronchioles to constrict and the systemic arterioles to constrict. E) None of the answers are correct.
Which effect can be attributed to increased pressure on a bone?
A. Increased osteoblast activity B. Increased osteoclast activity
The ultimate function of pulmonary ventilation is to
A) remove carbon dioxide from the blood. B) supply oxygen to the blood. C) provide adequate alveolar ventilation. D) remove air from dead air space. E) prevent gas exchange in the bronchioles.
What does thyroid-stimulating hormone (TSH) target?
A.)posterior pituitary (neurohypophysis) B.)anterior pituitary (adenohypophysis) C.)thyroid gland D.)hypothalamus