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andre [41]
3 years ago
12

What is the responsibility of circulatory system​

Biology
2 answers:
Free_Kalibri [48]3 years ago
8 0
The circulatory system delivers nutrients and other vital substances like oxygen throughout the body.
KiRa [710]3 years ago
3 0

Answer:

itis responsible for the circulation as wel as purification of blood in the human body

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spayn [35]

Answer:

the answer is B

Explanation:

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6 0
3 years ago
1. Organic compounds are used as building blocks
maria [59]
<h2>Answer:</h2>

Option D) proteins, starches, and fats.

<h2>Explanation:</h2>
  • Organic compounds are compounds that contain Carbon(C) and contain Hydrogen(H) as well.
  • Water, H₂O does not contain carbon is therefore it is not organic compound .
  • So option A) and B) can be eliminated since they contain water.
  • Carbon dioxide, CO₂, contains carbon but doesn't contain hydrogen, and therefore we can eliminate Option C) as well.
  • This leaves Option D) i.e proteins, starches and fats are organic compounds, all of them are organic compounds.

Result: Option D) is the correct answer.

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A person's pulse rate generally goes down while sleeping. One reason for this decrease is
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because the sympathetic nervous system is no longer active following strenuous exercise.

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