Explain how nerves signal muscles fibers to contrast?

Biology

1 answer:

laila [671]3 years ago

7 0

Answer:

By action potential nerve contract the muscle

Explanation:

The muscle contract when the nervous system sends action potential to the muscle. So the nervous system delivers signal to muscle, the first signal reaches the neuromuscular junction. The signals are passed by a chemical messenger called neurotransmitter release by motor neurons, the chemicals bring reaction and shorten the muscle fibre. When neurotransmitter are absent or reduce in concentration the process reverse and muscle relax again.

You might be interested in

5.You are doing an experiment involving the gain in mass of rats given different amounts of

dybincka [34]

Answer:

The independent variable are the vitamins .

The dependent variable are the rats.

Explanation:

The vitamins are the independent variable because they are are controllable. You can control how many vitamins the rats will be given.

8 0

3 years ago

How s a mixture different than a compound

OleMash [197]

Compound: two or more different atoms chemically bonded together. Molecule: two or more different or same atoms chemically bonded together. A mixture: contains two or more substances that are not chemically bonded together Hope this helps!!!!!!

5 0

3 years ago

P indicates the allele for jagged-edge leaves, and p indicates the allele for smooth-edge leaves.

tatyana61 [14]

Answer:

50% homozygous dominant, 50% heterozygous, 0% homozygous recessive

4 0

3 years ago

I need to know the bonds of that molecule.

posledela

Answer:

I would need more info

Explanation:

4 0

4 years ago

POSITIVE EFFECTS OF STIMULANT DRUGS<br> ON THE BRAIN

tatuchka [14]

Answer:

will improve how fast your brain works and also help you learn just as fast

5 0

3 years ago