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Double Circulation

Pulmonary cir...

Question

Pulmonary circulation deals with the movement of deoxygenated blood from heart to lungs so that it can get oxygenated.

A

False

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B

True

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Solution

The correct option is B True

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Q. Assertion :Pulmonary circulation consists of flow of deoxygenated blood from right ventricle to the lungs and flow of oxygenated blood from lungs to the left atrium. Reason: Systemic circulation consists of flow of oxygenated blood from the left ventricle to all parts of the body and deoxygenated blood from different parts to right atrium.

Q. Complete the paragraph given below by filling in the blanks.

Blood flows twice in the heart. In pulmonary circulation, the deoxygenated blood is carried to the ________ from the __________ of the heart, through the ________. The oxygenated blood from the lungs is carried back to the ________ of the heart through the __________. This oxygenated blood from the heart is carried to all systems of the body and the deoxygenated blood from the systems below and above the heart is supplied to the ________ of the heart through the _________.

Q. Which of the following statement(s) wrong with regard to heart?
A. Left atrium receives deoxygenated blood from different parts of the body while right atrium receives deoxygenated blood from the lungs.
B. Right atrium receives deoxygenated blood from different body parts while right ventricle pumps deoxygenated blood to the lungs.
C. Left atrium receives oxygenated blood from lungs while left ventricle pumps oxygenated blood to different parts of the body.
D. Pulmonary vein carries deoxygenated blood to the lungs and pulmonary artery brings oxygenated blood towards the heart.

Q. Draw the diagram of human heart and label the following parts which
(i) receives deoxygenated blood from vena cava,
(ii) send deoxygenated blood to lung through pulmonary artery,
(iii) receives oxygenated blood from lungs and
(iv) sends oxygenated blood to all parts of the body through aorta.

The circuit through the lungs where the deoxygenated blood is oxygenated before it enters the heart is called the ___ circulation.

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