Vital capacity is the maximum _______________
a. amount of air that can be contained in the lungs
b. number of inhalations per minute of intense exercise
c. target heart rate
d. number of times the person's heart beats per minute
Answer: A
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Why does dieting sometimes lead to overeating?
What will be an ideal response?
Throughout the day, Judy is distracted by the thought that she has left her keys or her wallet locked in her car. As a result, she checks her purse dozens of times each day to be sure the keys and wallet are with her. In this example, Judy's constant checking her purse for her keys and wallet would be considered a(n)
a. phobia. b. compulsion. c. obsession. d. paranoid delusion.
According to the theory of evolution:
a. different species arose from different ancestors b. humans belong to their own, unique family tree c. present day humans descended from a creature related to apes d. humans and chimps share only 1% of their DNA
One difference between sperm cells and ova is that:
ova carry an X chromosome, whereas sperm carry either an X or a Y chromosome. ova carry two X chromosomes, whereas sperm carry two Y chromosomes. sperm carry more genetic material than ova do. sperm carry two X chromosomes, whereas ova carry an X and a Y chromosome.