Three discrete types of muscle fibers are identified on the basis of their fuel supply, oxygen supply, and tension. Which of the following athletic endeavors best represents the use of slow-twitch fibers?
A. Mountain climbing
B. A high jump
C. Swinging a baseball bat
D. Lifting weights
Answer: A
Anatomy & Physiology
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Carbon dioxide dissolves in water more readily than oxygen.
a. true b. false
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Which of the following phases of the uterine cycle begins with the end of menstruation?
a. The secretory phase b. The follicular phase c. The luteal phase d. The proliferative phase
Anatomy & Physiology
The thyroid follicles store and secrete _____, while the C cells secrete _____.
a. calcitonin; thyroid hormones b. thymosin; calcitonin c. parathyroid hormone; cortisol d. thyroid hormones; cortisol e. thyroid hormones; calcitonin
Anatomy & Physiology
How many pairs of spinal nerves are present in humans?
A) 31 B) 28 C) 24 D) 29
Anatomy & Physiology