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Alex Ar [27]
3 years ago
15

What role does the nervous system play in muscle fatigue?

Biology
1 answer:
RSB [31]3 years ago
4 0
The central nervous system protects our muscles from tearing by reducing the rate nerve impulses are sent to our working muscles. You'll experience central fatigue before local fatigue. In other words, when you think you simply can't do any more work because you're so fatigued, essentially what's happening is your mind is telling your body muscles to shut down.
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It is necessary for the immune system to clearly distinguish foreign cells and proteins from those made by the body.
Naddika [18.5K]

Answer: It is necessary for the immune system to clearly distinguish foreign cells and proteins from those made by the body so that the immune system will be able to fight foreign cells and proteins and eliminate them from the body.

Explanation: The ability of the immune system to clearly distinguish foreign cells and proteins from those made by the body helps the body to identify pathogens that invade the body and trigger appropriate immune response to eliminate the foreign cells and proteins.

When the immune system of the body fails to distinguish foreign cells and proteins from those made by the body, the body launches an attack against its cells, that is the immune system triggers an autoimmune response in which attacks are launched against the cells of the body and destroy them. This condition in which the immune system recognizes the cells of the body as non-self and launches an attack against them is known as autoimmunity. Autoimmunity is the major cause of most degenerative diseases such as type I diabetes mellitus.

5 0
3 years ago
What is the answer to 9 i’m not sure if i have it right?
marishachu [46]
I think you got it right
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6 0
2 years ago
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attashe74 [19]

Answer:

c. the neutral theory posits that the vast majority of mutations do not influence the fitness of individuals

Explanation:

The neutral theory proposed by Motoo Kimura states that the vast majority of changes at the molecular level (DNA) in a population happens due to genetic drift, not by natural selection, this implies that the mutations are neutral and do not give an advantage to the organisms.  

This means that mutant alleles are preserved due to the randomness of life and not because this alleles give selective advantage over other individuals of the population.

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<span>An amphibian that lacks lungs and breathes entirely through its skin would have to be smaller than an amphibian with lungs so that the small oxygen intake correlates with the small surface area of the amphibian. This would then allow it to breath efficiently.</span>
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