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2020Q2(b)(iv)The Circulatory System
Short answerEasy1 mark
2(b)

The diagram given below represents the simplified pathway of the circulation of blood. Answer the questions that follow: The diagram given below represents the simplified pathway of the circulation of blood. Answer the questions that follow:

Figure for this question

What is the type of blood circulation that takes place between the heart and the lungs?

Topic: Pulmonary circulation

Previous-year question practice database

Answer

Exam answer

PULMONARY CIRCULATION.

Explanation

Pulmonary circulation is the circuit between the HEART and the LUNGS: deoxygenated blood travels from the right ventricle to the lungs by the pulmonary artery, and oxygenated blood returns to the left atrium by the pulmonary veins.

The other circuit is SYSTEMIC circulation, between the heart and the rest of the BODY.

Because the blood passes through the heart TWICE in one complete circuit, the whole arrangement is called DOUBLE CIRCULATION — worth adding.

PULMO means lung, which makes the term self-explanatory.

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