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zheka24 [161]
3 years ago
9

When an environmental stimulus is received, the signal is usually transmitted through three types of nerve cells. In which order

is the signal transmitted through these cells?
Biology
1 answer:
Alexeev081 [22]3 years ago
5 0

Answer:

The correct answer is - sensory neurons → inter-neurons → motor neurons.  

Explanation:

The nerve system receives a signal from the external change or stimuli and transmitted it to the spinal cord and brain. The transmission of the signals or information is carried by three different types of nerve cells: sensory neurons, interneurons, and motor neurons.

Sensory neurons receive the signal from the external stimuli and converting it to the electrical impulses. Interneurons are the associative neurons that establish the connection between sensory neurons and motor neurons. Motor neurons are the efferent nerves that carry the signal from interneurons and brainstem or spinal cord and transmit to the muscles.

Thus, the correct answer is - sensory neurons → inter-neurons → motor neurons.

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C. Poor farming techniques that killed the soil were combined with drought.

Explanation;

-The Dust Bowl was caused by several economic and agricultural factors, including federal land policies, changes in regional weather, farm economics and other cultural factors.

-After the Civil War, a series of federal land acts coaxed pioneers westward by incentivizing farming in the Great Plains.

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3 years ago
a man is twice as old as his son.Five years ago the ratio of their ages was 9:4.Find the sum of their ages​
elena-s [515]

Answer:

75years

Explanation:

Let the Father's age be represented by 2x

Let the Son's age be represented by x

Five years ago;

Man's age will be = 2x - 5

Son's age will be = x - 5

If the ratio of their ages five years ago was 9:4, then;

2x - 5/x-5 = 9/4

4(2x - 5) = 9(x - 5)

8x - 20 = 9x - 45

- Collect like terms

-20 + 45 = 9x - 8x

25 = x

Hence, the son's age = 25 years

If x = 25, the father's age (2x) will be 2 × 25 = 50years

The sum of their ages will be = 25years + 50years = 75years

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A 6-month-old girl is taken to emergency department in January suffering from profuse watery diarrhea and vomiting. She has had
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My diagnosis in this case is that the 6-month-old girl suffered from the infection caused by the virus called rotavirus.

<h3>What is rotavirus?</h3>

A rotavirus belongs to the genus within the family of virus called Reoviridae. They are made up of a double capsid and a double-stranded RNA genome.

The symptoms of this virus include:

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  • low-grade fever.

Therefore, the correct diagnosis should be that the 6-month-old girl suffered from the infection caused by the virus called rotavirus.

Learn more about virus here:

brainly.com/question/17395741

#SPJ1

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