During inspiration the diaphragm contracts and moves down.
Correct Answer:
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Q27: A biologist is studying organisms that have
Q28: The greatest surface area for gas exchange
Q29: Expired air will contain _ than inspired
Q30: The vocal cords are found in the:
A)Bronchi
B)Nose
C)Larynx
D)Lungs
E)Pharynx
Q31: The breathing rate is controlled by chemoreceptors
Q33: Which association is not correct?
A)Larynx-voice box
B)Trachea-windpipe
C)Alveoli-gas exchange
D)Pharynx-vocal
Q34: When we eat dinner,what structure prevents food
Q35: If a person has a large piece
Q36: Which part of the respiratory system is
Q37: In humans,the lungs are caused to inflate
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