3 years ago

Oxygen is a survival need. Why is it so important?

2 answers:

6 0

Answer:

oxygen

Explanation:

oxygen is an essential nutrient which the body needs especially during respiration.

it help the blood cells do provide energy.

without oxygen, there is no gaseous exchange

6 0

Answer:

Because it's the only gas that can support life and without it o no human or animal can survive

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