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sukhopar [10]
3 years ago
10

Oxygen enters the nose and follows the path to your lungs. Cilia help keep the oxygen that moves into your lungs clean. Next ave

oli allow oxygen from the air to pass into your blood. All of these parts working together create a very important process for humans. What is this process called?
A) digestion

B) evolution

C) reproduction

D) respiration
Biology
1 answer:
Irina18 [472]3 years ago
4 0
The answer is D, respiration. 
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