![Health](/tpl/images/cats/health.png)
Health, 25.10.2020 14:30, britorre7609
It is a thin muscles that contracts and relaxes to help the air go in and out?
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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It is a thin muscles that contracts and relaxes to help the air go in and out?...
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