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Bella Healthy Lungs

Bella Int1 Healthy Lungs

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What are the lungs? The lungs are the body's organs for gas exchange.
What is the function of the lungs? Oxygen in inhaled air passes from the air into the bloodstream . Carbon dioxide passes in the opposite direction from the bloodstream into the air sacs ready to be breathed out in exhaled air.
Breathing Rate varies from person to person depending on several factors. Name 3 factors age,sex,level of fitness and state of health.
What are the effects of smoking? You can get lung cancer
Created by: hardeep
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