Breathing rate increases during exercise because
A) the heart is beating more rapidly.
B) there is less oxygen in the blood.
C) there is more carbon dioxide in the blood.
D) there is an increase in blood pH.
Correct Answer:
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Q23: Lymph returns to the circulatory system
A) because
Q24: Platelets are
A) produced by red blood cells.
B)
Q25: Which of the following would have the
Q26: Contraction of the diaphragm causes
A) a person
Q27: If the amount of carbon dioxide in
Q29: Which of the following is not important
Q30: Asthma is caused by
A) contraction of the
Q31: Digestion of protein begins in the
A) mouth.
B)
Q32: Chewing is important because it
A) alters the
Q33: The bile from the liver
A) contains enzymes.
B)
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