organs
gases
tubes
100
lungs
What is what is the main part of your respiratory system
100
carbon and oxygen
What is the names of the two gases that are exchanged in the avoli
100
bronchial tubes
What is what are the tubes that slit of the Tricia
200
larinks
What is name the valve that stops food entering the lungs
200
to fuel our muscles
What is the reason we breath in oxygen
M
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