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Lunna [17]
1 year ago
15

According to the bell-magendie law, ______________________ exit from the ventral horns of the spinal cord, and sensory informati

on enters the __________________________
Biology
1 answer:
stiv31 [10]1 year ago
6 0

According to the bell magendie law, " the ventral spinal roots transmit motor impulses and the posterior roots sensory impulses,which establish a major landmark in the history of neuroscience."

The nature and physiology of the phenomena were described independently by sir charles bell , he is British anatomical scientist and french physiologist francois magendie after that Johannes peter muller confirmed it.

The ventral roots preganglionic sympathetic fibers of the atomic nervous system exit the spiral cord with ventral roots T1 through L2. It consist predominately of efferent somatic motor fibers. There are also 31 pairs of spinal nerves and roots. Eight pairs of cervical nerves exit the cervical cord at each vertebral level.

To learn more about the Johannes peter muller here

brainly.com/question/16010930

#SPJ4

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Who is a geologists<br>​
jok3333 [9.3K]

Answer:

geologist is a scientist who studies the solid, liquid and gaseous matter that constitutes the Earth and other terrestrial planets, as well as the processes that shape them.

6 0
2 years ago
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large predatory fish are usually found as secondary or tertiary consumer. what does this mean in terms of the amount of energy t
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4 0
3 years ago
In _______ a population isolated by a geographic barrier becomes a new species as it accumulates changes by natural selection or
Mashcka [7]

Answer:

The correct answer is allopatric speciation.

Explanation:

Allopatric speciation occurs when a geographical barrier comes between a species population living in the same area. This geographical barrier separates the population into two different geographical area which do not have the same condition.

So as both the separated population get different habitat environment to live so they evolve differently from each other. So natural selection and genetic drift works differently in both the population which brings genetic changes in the population and helps in creating a new species.

3 0
2 years ago
Human birth weights range very narrowly between 5.5 and 8.5 pounds. Babies much smaller than 5.5 lbs. suffer a higher mortality
Margarita [4]

Answer:

a.  Stabilizing selection

Explanation:

Babies lower than 5.5lbs would suffer from various disorder because of low birth weight as their body would not be able to compete as well they would have weak immune system and malnourishment. Whereas high birth weight carry the equally above risk as their body wont be able to cope up and organs become insensitive to various hormones. for the survival the birth weight should be within a median range so that it would be favorable for themselves and surroundings.

Stabilizing selection occurs when a population stabilizes on a particular trait value and genetic diversity decreases. As in this example, an average baby weight has to favour against extreme variation for it's better survival.

therefore, this is an example of stabilizing selection.

3 0
3 years ago
Electrical devices that has sound energy as an output
Margaret [11]
<h2>Answer with Explanation </h2>

The speaker and transformer are the devices that consume the electrical energy and release the sound as an output in this process the phenomena which are acquired is electromagnetic induction. The sound energy can also be converted into the electrical energy but fir this process high temperature and high frequency is required. The sound energy is important as it informs us about the character, place and time.

8 0
2 years ago
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