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Len [333]
3 years ago
7

During exercise how are the circulatory and respiratory system working together

Biology
1 answer:
____ [38]3 years ago
6 0

Answer:

The cardio-respiratory system works together to get oxygen to the working muscles and remove carbon dioxide from the body. During exercise the muscles need more oxygen in order to contract and they produce more carbon dioxide as a waste product.

Explanation:

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