Answer:
Pass information by generating electric signals
Explanation:
Neurons are the fundamental unit of the nervous system. Neurons send information across the body through generation of electric signals called as action potential. There are basically three types of neurons
a) Sensory neurons which carry information from the sense organs in the form of impulse to the central nervous system (CNS)
b) Motor neurons – These carry information from the CNS to the body parts such as sense organs, muscles etc.
c) Interneurons – They are connecting neurons which are responsible for transferring information from one neuron to the other neuron.
Answer:
The germinal stage of human detail growth is characterised by cell division and occurs after fertilization of the egg.
Explanation:
The the human fetal growth (prenatal development) occurs in three (3) stages which includes the germinal stage, the embryonic stage and fetal stage.
The germinal stage is the first two weeks after fertilization of the egg.
The embryonic stage starts from the third (3rd) through the eight (8) week.
The fetal stage starts from the nineth (9th) week till delivery.
Answer- A mucous
Explanation
Permissiveness is the case when one hormone cannot exert its full effect in the absence of another hormone.
<h3>What is permissiveness?</h3>
Permissiveness is the condition when a hormone cannot fully exert its effects in the absence of some other hormone. When two or more hormones generate the very same effects in a target cell, the effects are amplified.
Permissiveness is a biochemical phenomenon in endocrinology in which the existence of one hormone is required for yet another hormone to exert its full impact on a target cell.
The permissive effect, which occurs when one hormone is present and allows some other hormone to act.
Thus, the answer is permissiveness.
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Answer:
<em>B. Different crops could be grown on the same land.
</em>
Explanation:
Crop rotation is the process of growing different plants in the same land according to the season. Various kinds of plants require various sorts of supplements from the soil.
Changing crops on a regular basis enables the land to stay rich in nutrients, since not the majority of similar nutrients are being utilized each season. Crop rotation likewise fights against the powers of soil erosion. It also helps to improve the stability of the soil by shifting back and forth between harvests with profound roots and those with shallow roots.