You can keep your heart strong by:

CIRCULATORY SYSTEM

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	eating heart-shaped candy
B	doing activities, like playing outside, riding your bike, and swimming
C	smoking
D	sleeping 18 hours a day

Explanation:

There is 1 question to complete.

EVERYDAY SCIENCE

SCIENCE

CIRCULATORY SYSTEM