9. Which of the following correctly describes the method of inhalation? a. Rib muscles and diaphragm contract, volume in chest cavity decreases, air pressure increases b. Rib muscles and diaphragm contract, volume in chest cavity increases, air pressure decreases c. Rib muscles and diaphragm relax, volume in chest cavity decreases, air pressure increases d. Rib muscles and diaphragm relax, volume in chest cavity increases, air pressure decreases

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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9. Which of the following correctly describes the method of inhalation?
a. Rib muscles and diaphragm contract, volume in chest cavity decreases, air pressure increases
b. Rib muscles and diaphragm contract, volume in chest cavity increases, air pressure decreases
c. Rib muscles and diaphragm relax, volume in chest cavity decreases, air pressure increases
d. Rib muscles and diaphragm relax, volume in chest cavity increases, air pressure decreases
10. Tobacco smoke contains carbon monoxide. What problem does this cause?
a. The carbon monoxide irritates the airways, causing bronchitis
b. The carbon monoxide combines with hemoglobin in the red cells, reducing the ability of the blood
to carry oxygen
c. The carbon monoxide causes lung cancer
d. The carbon monoxide cannot be absorbed in the bloodstream, so there is no effect in the
respiration of any person.
11. During exercise, what happens to breathing in humans?
a. The depth of breathing increases and the breathing rate increases
b. The breathing rate increases but not the depth of breathing
c. The depth of breathing increases but not the breathing rate
d. The breathing rate and depth of breathing decreases
Transcribed Image Text:9. Which of the following correctly describes the method of inhalation? a. Rib muscles and diaphragm contract, volume in chest cavity decreases, air pressure increases b. Rib muscles and diaphragm contract, volume in chest cavity increases, air pressure decreases c. Rib muscles and diaphragm relax, volume in chest cavity decreases, air pressure increases d. Rib muscles and diaphragm relax, volume in chest cavity increases, air pressure decreases 10. Tobacco smoke contains carbon monoxide. What problem does this cause? a. The carbon monoxide irritates the airways, causing bronchitis b. The carbon monoxide combines with hemoglobin in the red cells, reducing the ability of the blood to carry oxygen c. The carbon monoxide causes lung cancer d. The carbon monoxide cannot be absorbed in the bloodstream, so there is no effect in the respiration of any person. 11. During exercise, what happens to breathing in humans? a. The depth of breathing increases and the breathing rate increases b. The breathing rate increases but not the depth of breathing c. The depth of breathing increases but not the breathing rate d. The breathing rate and depth of breathing decreases
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