Gas Exchange

Presentation

•

Biology

•

11th Grade

•

Easy

Dhika Islamy

Used 6+ times

FREE Resource

19 Slides • 5 Questions

Gas Exchange

Multiple Choice

What is the function of small amount of fluid in the lungs ?

To prevent friction of the movement in the lungs

Expand surface area

Multiple Choice

What is the function of elastic fibres in alveolus wall ?

stretch during exhalation

trap the small particles

Multiple Choice

What is the function of collagen in alveolus ?

Attack pathogen

prevent from bursting

Multiple Choice

The mechanism of oxygen diffusion in alveoli ?

HIgher concentration of oxygen in alveolus diffuse out to the blood

Higher concentration of carbon dioxide in alveolus diffuse out to the blood

Multiple Choice

Bronchioles are surrounded by

smooth muscles

bone

Gas Exchange

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