Describe the link between circulatory and the respiratory system
The capillary’s surround the alveoli, and allow o2 to go into blood
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15
What chemical did we use to test the presence of Co2
Limewater
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What is the function of the ribs
To protect the lungs
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What is the function of the alveoli
Gas exchange
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What is the function of the bronchus?
Carry air into the lungs
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Describe gas exchange
O2 into blood from lungs. CO2 out of blood into lungs,
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15
What is the link between digestive system and respiratory system
Cough mucous into mouth, swallow, HCl in stomach kills bacteria
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What is the function of the trachea
Carry air down to the lungs
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banana
Go to last place!
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gift
Win 10 points!
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gift
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baam
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15
List the steps of breathing in.
1. Intercostal muscles contract, ribs move up and out. Diaphragm contracts moving down. Volume of ribcage increases,pressure in lungs decrease.Air is sucked in
