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Kazeer [188]
3 years ago
13

What is the purpose of a valve in the heart?

Medicine
1 answer:
jeyben [28]3 years ago
8 0

Answer:

There is a valve through which blood passes before leaving each chamber of the heart. The valves prevent the backward flow of blood. These valves are actual flaps that are located on each end of the two ventricles (lower chambers of the heart).

Explanation:

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Define blood pressure. How do you calculate it? What does systolic reading mean? What does systolic reading mean?​
weeeeeb [17]

Answer:

Blood pressure is the pressure of circulating blood against the walls of blood vessels. Most of this pressure results from the heart pumping blood through the circulatory system. When used without qualification, the term "blood pressure" refers to the pressure in the large arteries.

Explanation:

Blood pressure is measured in units of millimeters of mercury (mmHg). The readings are always given in pairs, with the upper (systolic) value first, followed by the lower (diastolic) value. diastolic blood pressure of 88 mmHg. When your heart beats, it squeezes and pushes blood through your arteries to the rest of your body. This force creates pressure on those blood vessels, and that's your systolic blood pressure. A normal systolic pressure is below 120. A reading of 140 or more means you have high blood pressure.

7 0
3 years ago
Read 2 more answers
My mom is hiring someone to euthanize my dog tomarrow. Got any tips on what to do? Should I stay and watch, or go somewhere else
miv72 [106K]

Answer:

i don't think you should watch

Explanation:

i don't think you should watch for it may be to hard to watch

6 0
3 years ago
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the urinary sediment (ph 5.0) of a patient reveals yellow to reddish-brown crystals, many of which appear as rhombic plates and
Svet_ta [14]

Monosodium urate crystals in the shape of needles are quite uncommon in urine. They typically occur in acid urine and have a yellow or reddish-brown appearance.

What is Uric Acid?

As the body breaks down purine-containing compounds, uric acid is produced. The majority of uric acid is dissolved in the blood and moves to the kidneys, where it is excreted in urine. You could become ill if your body creates too much uric acid or does not remove enough of it.

To know more about Uric Acid:

brainly.com/question/29694338

#SPJ4

7 0
1 year ago
B) How do ophthalmologists help sick people? ​
SVEN [57.7K]

Answer:

by medicine

Explanation:

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3 0
3 years ago
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What happens at a cellular level during organ rejection?
Aleks04 [339]

Organ rejection takes place when your body is subjected to a new organ which is a foreign object and attacks it.

<h3>What do you mean by Graft rejection?</h3>

Graft rejection may be defined as a process in which a transplant recipient's immune system attacks the transplanted organ or tissue.

Xenograft shows high rejection. This is because it involves the transplantation between genetically distinct members of different species.

The process of organ rejection is initiated by T cells which perform the role of the recognization of a transplanted organ.

If these T cells are activated, it may lead to organ rejection by undergoing clonal expansion, and differentiation of the effector cells, which together lead to the obliteration of the tissues.

Therefore, organ rejection takes place when your body is subjected to a new organ which is a foreign object, and attacks it.

To learn more about Organ rejection, refer to the link:

brainly.com/question/1313114

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6 0
2 years ago
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