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strojnjashka [21]
3 years ago
11

Why do we need blood?

Biology
1 answer:
Jet001 [13]3 years ago
5 0

Answer:

So that the heart can pump oxygen to our brain and to our entire body. Blood also has nutrients that helps our body keep on working. White blood cells help fight diseases and infections that are harmful to the human

Explanation:

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<h3>What is a Ecologist?</h3>

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2 years ago
Which statement best explains how enzymes speed up chemical reactions?
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3 years ago
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Your immune system fights of disease
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4 years ago
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Which of the following is the most powerful evolutionary force in large populations over time?
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Overtime, why does natural selection continue to work?
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Environments are always changing so organisms need to adapt to survive. The organisms that survive are the ones that are fit to live in that environment, which is where survival of the fittest comes into play.

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