Storyclover
Storyclover
On a bright morning, Mina ran around the park with her purple water bottle.
Why Does My Heart Thump After Running?Running muscles need more oxygen, so the heart beats faster to move blood around the body.
1. On a bright morning, Mina ran around the park with her purple water bottle.
2. At the big oak tree, Mina stopped and pressed both hands against her chest.
3. Thump, thump, thump went her heart, while Mina listened very carefully.
4. Mina asked her mother, “Why does my heart thump after running?”
5. Her mother knelt beside her and pointed gently toward Mina’s chest.
6. Her mother said, “Each breath brings oxygen that busy muscles need.”
7. Running muscles need more oxygen, so the heart beats faster to move blood around the body.
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