Primary 5 Science — Systems Practice | Standard

Standard Science Primary 5 Systems

Which statement about the human heart is correct?

A It is the organ where oxygen enters the blood.

B It pumps blood rich in oxygen to all parts of the body.

C It is part of the respiratory system.

D It produces blood cells for the body.

Show Worked Solution

Step 1: The heart is a muscular pump. Step 2: It receives oxygen-rich blood from the lungs and pumps it out to the rest of the body.

Correct answer: It pumps blood rich in oxygen to all parts of the body.

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