8Cb Gas exchange
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Last updated 3 months ago
12 questions
3
Explain why air moves out of the lungs. Make reference to the ribcage and muscles involved.
Explain why air moves out of the lungs. Make reference to the ribcage and muscles involved.
1
Why do humans need a gas exchange system?
Why do humans need a gas exchange system?
1
Where does respiration take place in the human body?
Where does respiration take place in the human body?
1
Which two gases are exchanged in the lungs?
Which two gases are exchanged in the lungs?
1
What is the main function of the alveoli in the lungs?
What is the main function of the alveoli in the lungs?
1
How does oxygen get from the alveoli into the blood?
How does oxygen get from the alveoli into the blood?
1
What happens to the carbon dioxide in the blood when it reaches the lungs?
What happens to the carbon dioxide in the blood when it reaches the lungs?
1
Why do humans breathe more heavily when they exercise?
Why do humans breathe more heavily when they exercise?
1
Which part of the blood carries oxygen from the lungs to the rest of the body?
Which part of the blood carries oxygen from the lungs to the rest of the body?
1
What happens to the oxygen once it reaches the body’s cells?
What happens to the oxygen once it reaches the body’s cells?
1
Why is the gas exchange system important for survival?
Why is the gas exchange system important for survival?
11
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