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krok68 [10]
2 years ago
14

What does the respiratory system do?

Biology
2 answers:
maria [59]2 years ago
7 0

 Brings oxygen into the body

VikaD [51]2 years ago
5 0
The respiratory system is the organ system that involves breathing. Humans breathe in oxygen. Another way to find the answer is to break down the word respiration. Respiration means "to breathe" or "the action of breathing". The answer is D.

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solniwko [45]

Answer:

all 20

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What geological feature is located below an active volcano
frez [133]

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Below an active volcano lies magma chamber. Magma is the liquid which makes the lava. It’s located within the crust of the earth.

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A series of interconnected food chains are known as
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I believe the answer to this question is a food web.

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Source: </span>http://www.dictionary.com/browse/food-web
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