7. the is a strong wall of muscle that contracts to create a suction in the chest to draw in air and expand the lungs. when the muscle relaxes, the chest cavity decreases and air is pushed out.
8. janet smoked cigarettes since she was sixteen. now at age 45, she suffers from shortness of breath, coughing, fatigue, sleep and heart problems, weight loss, and depression. her condition is caused by a chronic lung that affects the alveoli. janet suffers from:
a) emphysema
b) lung cancer
c) chronic bronchitis
d) cilia degeneration
9. both marijuana and tobacco smoke contain which are substances that cause cancer:
a) delta-9-tetrahydrocannabinol (thc)
b) thiamine and dextrose
c) enzymes
d) carcinogens
10. which of the following statements is not true
a) smoking at an early age increases the risk of lung cancer. for most smoking-related cancer's, the risk rises as the individual continues to smoke.
b) teenage smokers suffer from shortness of breath almost three times as often as teens who don't smoke and produce phlegm more than twice as often as teens who don't smoke.
c) teenage smokers are more likely to have seen a doctor or other health professionals for an emotional or psychological complaint.
d) people who quit smoking cannot reverse any of the damage that has been done to their lungs over an extended period of time
Answers: 3
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If a person has a bad pain in their back, specifically lower back a bit above the hip, what should they do besides going to the doctor? what remedies could they use?
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According to harry harlow’s experiment what behavior did the baby monkeys exhibit when the cloth mother was present? a. they cowered in the corner of the room. b. they were willing to explore the room. c. they sought refuge with the wire mother. d. he behaved aggressively toward the cloth mother.
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7. the is a strong wall of muscle that contracts to create a suction in the chest to draw in air an...
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