Which muscles contract for a forced expiration?
A) External intercostal muscles and internal intercostal muscles
B) Internal intercostal muscles and abdominal muscles
C) Abdominal muscles and the diaphragm
D) External intercostal muscles and the diaphragm
Correct Answer:
Verified
Q35: The pressure that forms between the two
Q36: Which serous membrane lines the thoracic cavity?
A)Visceral
Q37: An alveolar sac is made of
A)simple squamous
Q38: What is the purpose of surfactant that
Q39: The _ are air sacs where gas
Q41: Average tidal volume is approximately
A)1500 mL.
B)2900 mL.
C)1000
Q42: What principle causes the exchange of oxygen
Q43: Total lung volume is approximately 5800 mLs.
Q44: A secondary respiratory center is found in
Q45: If blood carbon dioxide levels are low,the
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