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victus00 [196]
3 years ago
11

Are there any structures within the heart or vessels that prevent the backflow of blood? If so, what are they and where are they

located?
Medicine
1 answer:
Luda [366]3 years ago
6 0

Answer:

Are there any structures within the heart or vessels that prevent the backflow of blood? If so, what are they and where are they located?

Explanation:  

<em>The heart is made up of four cavities. These are the following</em>: Two ventricles and Two atria.

<em>The left ventricle is the one that exerts the greatest muscular strength, because from here the blood is pumped to the systemic circulation. To prevent blood from flowing backward between two beats, there are several types of heart valves</em>: one type between the atria and the ventricles, and another between the ventricles and arteries.

The semilunar valves in turn prevent blood from returning from the pulmonary artery and the aorta to the ventricles, when after pumping they dilate again for muscle relaxation.

<u><em>The answer is</em></u>: <u>Yes, and they are semilunar valves.</u>

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The values obtained when taking blood pressure, such as 120/80,
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Answer:

The correct answer will be option B.

Explanation:

Blood pressure represents the pressure of the blood in the major arteries of the body.

This blood pressure increases in the arteries when the ventricle contracts to push the blood to the major artery by a mechanism called ventricular systole. This increased blood pressure number is known as systolic blood pressure which is usually 180 mm of Hg.

The blood pressure decrease in the artery due to ventricular diastole during which ventricles relaxes. This lower number of blood pressure is known as diastolic blood pressure which is 80 mm of Hg.

Thus, option B is the correct answer.

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what are an applicant's statements concerning occupation, hobbies, and personal health history regarded as
ludmilkaskok [199]

Consideration clause is described as an applicant's statements concerning occupation, hobbies, and personal health history.

<h3>What is Consideration clause?</h3>

This clause is often used in insurance and contains information such as total amount which is due for coverage and when the payment is to be made for effective service delivery of the companies which are involved in this form of protection.

This also contains an applicant's statements concerning occupation, hobbies, personal health history and other types of information necessary for the plan. This is used to calculate the amount which is to be paid by the subscriber as at when due in this type of scenario.

This is therefore the reason why consideration clause was chosen as the most appropriate choice.

Read more about Consideration clause here brainly.com/question/12147269

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Hope this helps...

Please mark as Brainliest!!

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