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Ad libitum [116K]
4 years ago
15

The speed at which a neural impulse travels is increased when the axon is encased by a(n)

Biology
1 answer:
rusak2 [61]4 years ago
6 0

Answer:D. myelin sheath.

Explanation:living organisms have the ability to respond to stimuli .in humans ,the nervous system is responsible for this function.the nervous system consists of the brain , the spinal cord and nerves.

Neurons are found in the nervous system and help in the propagation of impulses across the body.a neuron usually consists of a dendrite, cell body and axon.

The axon extends from the cell body to the dendrite.

The axon is surrounded by the myelin sheath,which forms a whitish,fatty layer around it.the myelin sheath is produced by Schwann cells also called neurilemma.the neurilemma produces the myelin sheath.

The neurilemma is interrupted at intervals by the node of ranvier.

These features helps impulse moves faster along the neuron by reducing the distance it travels.

The Schwann cells is also responsible for the maintainance and regeneration of neurons

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8 0
3 years ago
Read 2 more answers
Should girls cook during menstrual days or not? Why? plz tell me fast​
Len [333]

Answer:

IN OLDEN TIMES:

A girl, when she reaches puberty is barred from entering the prayer room or performing any religious prayers during her menstruation. The only reason mentioned in our scriptures is that she is (ashudha) unclean during that period.

During ancient days, women would take bath in the river, pond or near the well. During the time when the girl would be menstruating, it would be awkward to bathe outside in the river as it would probably ‘pollute’ the water.

So, the ladies did not take bath. Since the ladies did not take bath, they were naturally termed ‘unclean’ during that time. Hence, their being barred from the clean’ places in the house, namely the prayer room or the kitchen.

However, Science has a different meaning for the menstruation. As per science, a woman is more irritable during those days because of a hormonal imbalance. Psychics claim that there is a different aura around a menstruating woman, maybe again a chemical reaction.

Segregating to pray requires a positive attitude and people tend to respond to the negative virations of a person standing with you; maybe that was the reason why a woman was barred from public places and the kitchen.

TODAY:

Times have changed,

It is the old saying of old people. But of a girl cooks during periods then it is not to become bad in taste or it won't get spoiled. The taste of food is going to be same as she cooks on other days. So I think this saying is wrong and girls can cook during their mensuratl days. It is a natural cycle and they r not responsible for it

6 0
3 years ago
Which has eukaryotes plant cells?
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