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2 years ago

The part of the brain stem that regulates vital activities such as heartbeat, breathing, and digestion is the:_____.

1 answer:

7 0

The part of the brain stem that regulates vital activities such as heartbeat,breathing and digestion is the Medulla oblongata. The bottom part of brain which regulate your breathing,heart rhythms,blood pressure and swallowing.

The respiratory center is located in the medulla oblongata and is involved in the minute-to-minute control of breathing.It's locate where the brain and spiral cord connect, it help in control vital processes like our heartbeat, breathing and blood pressure.

This also responsible for reflexes of the face and throat like - coughing,sneezing,gagging. It can lead to respiratory failure, loss of sensation, paralysis,it causes 'brain death" and person can not survive.

To learn more about Respiratory center here

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What is the purpose of using reverse transcription

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Answer:

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3 years ago

Under what conditions does natural selection occur?

Helen [10]

Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

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3 years ago

The table below shows the dimensions of two colored cubes.

Lelechka [254]

Answer: The correct answer is black because the product of its side and mass is lower.

Explanation: Density of a substance is defined as the mount of matter that can be stored in a given volume.

Mathematically,

$Density=\frac{Mass}{volume}$

As, density is inversely proportional to the volume of the substance.

The substance will be more denser if it has less volume and it will be less denser if the volume is more.

We are given two cubes having different sides.

Volume of the cube is calculated by using the formula:

$V=a^3$

where, a = side of the cube.

Black: The side of this cube is 2 and volume will be = $2^3=8cm^3$

Yellow: The side of this cube is 3 and volume will be = $3^3=27cm^3
$

As, the volume of black cube is less. So, this cube will be more denser.

Density of black cube: $\frac{48}{8}=6g/cm^3$

Density of Yellow Cube: $\frac{135}{27}=5g/cm^3$

Hence, black cube will be more denser because the product of its side and mass is lower.

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4 years ago

Describe the "folded-fiber" model of the mitotic chromosome.

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3 years ago

When a objects remain in the same place is called

ruslelena [56]

Answer:

you would say that the object is in its "resting position"

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3 years ago

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