Zusammenfassung der Ressource
Frage 1
Frage
Inhalation:
1. Diaphragm in a [blank_start]relaxed[blank_end] state is domed. When it contracts, it [blank_start]shortens[blank_end] and [blank_start]flattens[blank_end].
2. [blank_start]External[blank_end] intercostal muscles contract and pull on ribs - lifted up and out.
Antworten
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relaxed
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shortens
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flattens
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External
Frage 2
Frage
After inhalation, the thoracic cavity will decrease in volume
Frage 3
Frage
As the the volume of the thoracic cavity increases, air pressure decreases.
Frage 4
Frage
If the thoracic cavity has a lower air pressure then...
Antworten
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air moves into the lungs down the pressure gradient
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air moves out of the lungs down the pressure gradient
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air moves into the lungs up the pressure gradient
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air moves out of the lungs up the pressure gradient
Frage 5
Frage
Exhalation:
1. Diaphragm [blank_start]relaxes[blank_end] and rises.
2. The [blank_start]external[blank_end] intercostals relax and internal intercostals [blank_start]contract[blank_end].
3. The volume of the thoracic cavity [blank_start]decreases[blank_end].
Antworten
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relaxes
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external
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contract
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decreases
Frage 6
Frage
As the volume of the thoracic cavity decreases, air pressure decreases.
Frage 7
Frage
As the air pressure in the thoracic cavity increases, air is forced out down the pressure gradient.