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Alenkasestr [34]
2 years ago
8

Need Help!

Biology
2 answers:
horsena [70]2 years ago
6 0

Answer:

The very common element in the earth's crust, silicon, is absent in the human body as well as in most life on Earth

KATRIN_1 [288]2 years ago
6 0
Silicone is hard to find else where
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How are messages carried throughout the human body from the brain to the nervous system?A) Active transportB) Electrical signals
aivan3 [116]

The answer is the letter B. Electrical signals.

*Our brain and body communicates with each other by sending messages in the form of electrical signals.

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What is Acid Reflux? Name two treatments for acid reflux, and explain how they work.
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Why do ppl have to be so annoying
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Explanation:

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The _____ nervous system conserves energy, while the sympathetic nervous system consumes energy.
Fudgin [204]

The nervous system conserves energy, while the sympathetic nervous system consumes energy.

<h3>What is the nervous system?</h3>

The nervous system is an organ system that coordinates the activities of muscles, monitors organs, constructs and processes data received from the senses and initiates actions.

The nervous system can either be the following;

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The sympathetic nervous system is a part of the autonomic nervous system that raises blood pressure and heart rate, constricts blood vessels, and dilates the pupils when under stress.

On the other hand, the parasympathetic nervous system is one of the divisions of the autonomic nervous system, based between the brain and the spinal cord, that slows the heart and relaxes muscles.

This suggests that the parasympathetic nervous system conserves energy because it slows the heart while the sympathetic nervous system consumes energy.

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#SPJ1

4 0
2 years ago
What is the role of cell division?
gayaneshka [121]
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Hope this helped!
If you have any questions let me know!
4 0
3 years ago
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