Science, asked by mishal7053, 4 months ago

why is double circulation of blood is neccessary in human​

Answers

Answered by vedantgaikwadihsdl
1

Answer:

Because blood with CO2 and O2 if they mix it will be a problem.

Explanation:

Answered by kmittu441
0

Explanation:

Describe double circulation in human beings. Why is it necessary?

In human beings, the blood goes through the heart twice during each cycle i.e. the blood passes through the human heart two times to supply once to the whole body. So, it is called Double Circulation of blood.

Types of double circulation

The double circulation of blood includes:

(i) Systematic Circulation

(ii) Pulmonary Circulation

Systematic Circulation

Systemic circulation transfers oxygenated blood from left ventricles to capillaries in the tissue.

The oxygen-rich blood is passed to the aorta for distribution into various body sections.

The veins and venules later absorb the deoxygenated blood which is rich in carbon dioxide from different parts of the body.

The deoxygenated blood is transferred back to the superior vena cava, then on to the right atrium.

The right atrium transports blood to the right ventricle for pulmonary circulation, after receiving the deoxygenated blood.

Pulmonary Circulation

The distribution of blood starts in the pulmonary circulation from the right atrium to the left atrium.

The pulmonary artery receives the blood from the right ventricle and carries to the lungs for oxygenation.

When the oxygenated blood is pumped back to the left atrium via the pulmonary vein, that is brought to the left ventricles, after the purification process.

It is necessary for a human being to separate oxygenated and de-oxygenated blood because this makes their circulatory system more efficient and helps in maintaining constant body temperature.

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8 Comments

Somanshi MAY 4, 2020 AT 5:53 PM

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REPLY

Mahi MAY 18, 2020 AT 8:38 PM

Thank u ! It helped a lot! Especially in this Lockdown period

REPLY

Ilina Pal MAY 26, 2020 AT 11:35 PM

Yeah yeah of course during this lockdown period.

REPLY

Tehnu konyak JULY 13, 2020 AT 8:46 PM

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tanisha JUNE 30, 2020 AT 12:56 PM

helpful!

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Dhani Shende JULY 5, 2020 AT 3:09 PM

This was really helpful and informative

I was really helped in this hard time of lockdown

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Saikrishna JULY 6, 2020 AT 7:24 PM

Very useful

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Lakshmi Priyaa R JULY 16, 2020 AT 11:06 PM

Helped a lot

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