Biology > Chapter 30 > Flashcards

Chapter 30 Flashcards

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1
Q

Nose

A

Inhales oxygen , filtered by nose hairs and mucus, warmed + moistened to allowing it to diffuse in capillaries in lungs easier

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2
Q

Pharynx

A

Closes off trachea when we swallow

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3
Q

Larynx

A

Vocal cords

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4
Q

Trachea

A

Carries oxygen to the bronchi
Rings of cartilage
Contains mucous
Cilia allow mucous to move up and down

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5
Q

Bronchi + bronchioles

A

Trachea—>bronchioles
Bronchioles —>bronchiole
Asthma inhalers —> bronchioles is restricted
Asthma is helps to dilate the bronchiole

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6
Q

Alveoli

A

Gas exchange
Oxygen enters capillaries exchanges with carbon dioxide

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7
Q

Adaptations o alveoli

A

Thin walled
Rich blood supply
Numerous

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8
Q

Gas exchange

A

Diffusion
Oxygen travels through red blood cells
Carbon dioxide travels through plasma

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