3 years ago

PLEASE ANSWER!! ILL GIVE 100 POINTS IF ITS CORRECT

Health

2 answers:

AnnZ [28]3 years ago

8 0

Answer:

Carbon dioxide

Explanation:

Because The heart pumps the oxygen to the muscles that are doing the exercise. When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide.

Alexxandr [17]3 years ago

8 0

Answer:

Carbon Dioxide

Explanation:

The heart uses Oxygen and pumps it throughout the body, in return making more Carbon dioxide come out.

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