tsh9aybrian tsh9aybrian

16-03-2017
Biology

contestada

What two features do all respiratory systems share?

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Аноним Аноним

16-03-2017

I have a lot... But, I'll give two like you wanted.

1. They all need blood so that they can stay alive and keep you breathing

2. There's mucus somewhere around the lungs of all living things...

(brainliest maybe?)

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