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Gemiola [76]
3 years ago
13

Please help!!!

Biology
2 answers:
ivann1987 [24]3 years ago
7 0
Respiratory and circulatory............................
Mrrafil [7]3 years ago
3 0
<span>B. respiratory and circulatory

When oxygen is inhaled it is then brought to the lungs. It soon goes through a series of steps which guide's the oxygen (which are now molecules) to the blood. The blood then takes the oxygen molecules through out the body, so now those molecules are spread through out the body.

Hoped I helped!

</span>
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