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I am Lyosha [343]
4 years ago
15

What is the substance that surrounds, coats, and protects nerve fibers in the brain and spinal cord?

Health
1 answer:
marshall27 [118]4 years ago
3 0

Answer:

Explanation:

Myelin is a lipid-rich (fatty) substance that surrounds nerve cell axons (the nervous system's "wires") to insulate them and increase the rate at which electrical impulses (called action potentials) are passed along the axon.

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GalinKa [24]

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What principle of fitness means that if you stop exercising your fitness level will decrease​
vovangra [49]

Answer:

The Use or Lose Principle

The Principle of Use or Lose implies that when it comes to fitness, you "use it or lose it." This simply means that your muscles build strength (hypertrophy) with use and lose strength (atrophy) with lack of use. This also explains why we or lose fitness when we stop exercising.

Explanation:

6 0
4 years ago
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Why Is school so hard
Mariulka [41]

Answer:

Because the teachers try challenging us but really, if you look at it differently, they are like a government or part of it. They listen to a boss and even their boss is under the Board Of Education, and they are under the control of the public and government. Therefore they communicate between each other of who to fail and who to pass.

Explanation:

Explanation: It could be true.

4 0
3 years ago
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(CO 2) Members of the AHIMA House of Delegates are:____________
gavmur [86]

Answer:

b. is the answer i think

Explanation:

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5 0
2 years ago
Sample products of wood​
tatuchka [14]

Answer:

Lumber furniture and plywood

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