Unit 2 Animal Physiology Chp. 1: Breathing and Gas Exchange

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Last updated 4:21 AM on 7/19/26
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7 Terms

1
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OBJQ + OBJR
Name the structures involved in gas exchange.

Nose, Epiglottis, Larynx, Trachea, Bronchi, Bronchioles, Alveoli, Pleural membrane, rib

2
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OBJQ + OBJR
Name the muscles involved in ventilation or respiration

Internal intercostal muscle 

External intercostal muscle 

Diaphragm

3
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<p><span style="background-color: transparent;">OBJQ<br>Explain the differences between inspiration and expiration</span></p>

OBJQ
Explain the differences between inspiration and expiration

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4
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OBJQ

What are the adaptive features of alveoli/alveolar membrane?

  • Numerous→increase surface area→diffusion of O2 and CO2

  • Moist→dissolve gas

  • Thin (one cell thick)→easy diffusion of gases

  • Network of capillaries→maintain concentration gradient

  • Short distance→easy diffusion

5
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<p><span style="background-color: transparent;">Label the structures involved in respiration/ventilation</span></p>

Label the structures involved in respiration/ventilation

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6
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<p><span style="background-color: transparent;">Label the intercostal muscles</span></p>

Label the intercostal muscles

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7
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<p>Define the differences between muscles and ribs during inhalation and exhalation</p>

Define the differences between muscles and ribs during inhalation and exhalation

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