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zloy xaker [14]
2 years ago
9

In what direction does blood flow through the heart? a) from ventricles to atria b) from a region of high pressure to a region o

f low pressure c) from a region of high oxygen content to a region of low oxygen content d) from a region of high volume to a region of low volume
Biology
1 answer:
Sauron [17]2 years ago
3 0

Answer:

b) from a region of high pressure to a region of low pressure

Explanation:

Blood flow is measured in blood volume per unit time. It is the movement of blood through an organ, tissue or vessel. It is initiated when ventricles in heart contract leading to its ejection at high pressure. Major arteries receive this blood and they further transport it at high pressure to smaller arteries, arterioles and capillaries. Hence arteries have thick walls to withstand this pressure. The pressure decreases when blood reaches to veins hence their walls are not that thick.  Hence, blood flows from a region of high pressure to a region of low pressure.

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What are the two main differences between capillaries in the periphery and capillaries surrounding the brain
Lorico [155]

Answer:

The options are not given but they are gotten from another websites.

A. Capillaries surrounding the brain have no pores and are surrounded by membranes of astrocyte cells.

B. Capillaries surrounding the brain have pores and are surrounded by membranes of astrocyte cells.

C. Capillaries surrounding the brain have no pores and are not surrounded by membranes of astrocyte cells.

D. Capillaries surrounding the brain have pores and are not surrounded by membranes of astrocyte cells.

The correct answer is option A.

Capillaries surrounding the brain have no pores and are surrounded by membranes of astrocyte cells.

Explanation:

Capillaries surrounding the brain have no pores and are surrounded by membranes of astrocyte cells because

Capillaries are tiny blood vessels in the circulatory system that connect aterioles to venules. They are the most abundant or they are much blood vessels. They can penetrate the tissues of the body which allow passage of food nutrients, oxygen in the body thereby allowing exchange of nutrients and oxygen between the body tissues and the blood.

Capillaries surrounding the brain have no pores and are surrounded by membranes of astrocyte cells while capillaries in the periphery Capillaries surrounding the brain have pores and are not surrounded by membranes of astrocyte cells.

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3 years ago
8.4 waves go by in 6.875 seconds. Calculate the frequency (per 1 second)
Rainbow [258]

Answer:

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Explanation:

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6 0
2 years ago
Using evidence from the text describe, the purpose of Golgi complex
Talja [164]
The job of the Golgi apparatus is to process and bundle macromolecules like proteins and lipids as they are synthesized within the cell.
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A student completed an experiment investigating the response of tomato plants to gravity and created the table below. What can y
Natali5045456 [20]

Plants respond immediately to the gravitational attraction of the Earth as well as to light. Stems develop away from the center of the Earth and toward the light due to negative gravitropism.

<h3>What is negative gravitropism?</h3>

Negative gravitropism occurs when shoots develop in the opposite direction of gravity toward sunlight.

Plants respond immediately to the gravitational attraction of the Earth as well as to light. Stems develop away from the center of the Earth and toward the light due to negative gravitropism.

Thus, the given experiment shows negative gravitropism.

For more details regarding gravitropism, visit:

brainly.com/question/22723426

#SPJ1

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1 year ago
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