You embark on a hiking trip on Mt. Kilimanjaro (altitude = 19,000 ft; Atmospheric air pressure = 379 mmHg).mHg). As you ascend, what are you likely to notice about your breathing?
A. You need to work harder to inhale, expanding your thoracic size beyond what is normal
B. You need to work to exhale, using your muscles to decrease your thoracic size beyond what is normal
C. Both would happen
D. Neither would happen
Answer: A
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A chemical that you are working with has the elements carbon, hydrogen, oxygen, nitrogen, and phosphorus. In addition, ribose sugar is within its structure. What kind of compound is this molecule?
A) carbohydrate B) lipid C) protein D) salt E) nucleic acid
The five cavities of the head are cranial, oral, nasal, middle ear, and ________.
What will be an ideal response?
The connective tissue covering the outer surface of a bone is (the)
A) matrix. B) osteon. C) periosteum. D) endosteum. E) articular cartilage.