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3 years ago

Why does the action potential propagate in one direction

Medicine

2 answers:

almond37 [142]3 years ago

5 0

Answer:

This is achieved because the sodium channels have a refractory period following activation, during which they cannot open again. This ensures that the action potential is propagated in a specific direction along the axon.

Alex787 [66]3 years ago

3 0

Because the sodium channels have a refractory period following activation, during which they cannot open again. This ensures that the action potential is propagated in a specific direction along the axon. Sodium (Na+) ions flow in, potassium (K+) ions flow out, and we get an electrochemical gradient flowing down the length of the cell. ... Therefore, nerve impulses cannot travel in the opposite direction, because nerve cells only have neurotransmitter storage vesicles going one way, and receptors in one place.

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Explanation:

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3 years ago

Explain how the structure of each of the following tissues follows its function:

melisa1 [442]

Answer:

The function of the following tissues are as follows:

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2 years ago

Which of the following respiratory neural control centers is "always on" (regulating breathing):a. ventral respiratory groupb. P

Dmitry_Shevchenko [17]

Answer:

The correct answer is C.

Explanation:

The respiratory center is divided into 3 main groups, the dorsal respiratory group and the ventral respiratory group, both located in the medulla, and the pontine respiratory group, located in the pons. This last one also divides into two areas: the pneumotaxic and the apneustic center.

During quiet, restful breathing, the dorsal group stimulates the diaphragm and the intercostal muscles for inspiration. Expiration then occurs depending on the elastic recoil of the lungs. When forced expiration is required, the ventral group activates.

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3 years ago

Qual é a utilidade da erva-doce

ivann1987 [24]

Answer:

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Explanation:

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3 years ago

What might a person whose greatest motivation in dietary choices is convenience be most likely to eat? Blended smoothie with mil

olga55 [171]

Answer: TV dinner

Explanation:

I assume it would take the least amount of time to cook, and it’s pre-made

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3 years ago