Science, asked by Anonymous, 4 months ago

give correct answer for 3 number

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Answered by monikathakurkgp

Answer:

changing of O2 into Co2

Answered by bkverma048gmailcom

Answer:

Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.

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