The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.
Answer: B Having a safe or clean living environment
Explanation:
Brain is likely preoccupied with his need for belongingness.
Key words/phrases from the paragraph that help with that answer: “brain longs to play”, “wishing”
Hope this helps:)
I believe from what I learned, mouth to mouth has been proven less effective. Hands only CPR should be the only one put into practice.
Answer: I agree with the other person.
Explanation: Please mark brainliest.!