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AP anatomy respiratory

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Section 1

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respiratory gas transport

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Anatomy Science

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6 years ago

Date created

Mar 1, 2020

Cards (12)

Section 1

(12 cards)

respiratory gas transport

Front

O2 and CO2 are transported by the bloodstream

Back

internal respiration

Front

Exchanging gases between blood and tissue cells

Back

pulmonary ventilation

Front

Air moving into and out of the lungs; breathing

Back

Internal respiration (slide 39)

Front

Exchange of gases between blood and cells at capillary beds in body tissues Oxygen diffuses out of the blood and carbon dioxide diffuses into the blood

Back

slides 24-27 study

Front

Back

breathing

Front

Depends on volume changes in the thoracic cavity Two Phases: Inspiration or inhaling Expiration or exhaling

Back

External respiratory( slide 36)

Front

Pulmonary gas exchange Deoxygenated blood from the heart enters the lungs Carbon dioxide diffuses out of the blood into alveoli to be exhaled Oxygen diffuses into the blood from alveoli

Back

expiration

Front

Mostly a passive process Inspiratory muscles relax Size of thoracic cavity decreases Intrapulmonary pressure is increased Air flows out of the lungs from the area of higher pressure inside the body

Back

inspiration

Front

Inspiratory muscles contract Diaphragm External intercostals Size of thoracic cavity increases Intrapulmonary pressure is reduced Air flows into the lungs from the area of higher pressure outside the body

Back

external respiration

Front

Exchanging gases between alveoli and blood

Back

breathing 2

Front

volume changes pressure changes movement of gases

Back

Respiration (4 steps)

Front

pulmonary ventilation external respiration respiratory gas transport internal respiration

Back