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SVETLANKA909090 [29]
3 years ago
11

Explain where and how diffusion occur in the circulatory and respiratory systems

Biology
1 answer:
polet [3.4K]3 years ago
7 0

The respiratory system is a collection of organs involved in carrying out gas exchange in your body. Deep in the lungs, tiny sacs called alveoli take in oxygen from the atmosphere and release carbon dioxide.

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