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You Make My Heart Throb

  /  You Make My Heart Throb

You Make My Heart Throb

Do you know which organ system makes your heart throb and your veins pulse? Interesting and fun, this science worksheet is a great tool for 4th-grade students to test their knowledge about this very important biological system. They must complete the sentences about the different parts of the circulatory system and their respective functions. The vocabulary words in the box will help beginners master the lesson with ease.