Science: Cardiovascular System

Grace demonstrated the cardiovascular system to the students. Each student drew out another’s body and then drew out their cardiovascular system. We used cheerios dipped in red paint represent red blood cells. Red blood cells lack nucleoli, and are therefore concave, much like cheerios dipped in paint.


Take a large sheet of white butcher’s paper and lay it on a flat surface. We chose to take tables and lay them on the floor because the room was carpeted.


Pair up children so they can draw their partner out onto the paper.

IMG_3885 IMG_3897IMG_3882IMG_3884 IMG_3880IMG_3889IMG_3886IMG_3883After each child has been drawn out let them take red and blue markers to draw out the circulatory system down each leg, arm and one line going to the brain. Add a heart in the middle and have the lines connect to the heart the way the veins would. The lines should look similar to this:


When they are finished take the red and blue paint and give each child a small amount on a disposable plate. Also give them each a handful of Cheerios. Then let them attach the cheerios to the matching red or blue lines to show how the blood flows from the heart to the different parts of the body.

IMG_3900  IMG_3896 IMG_3897   IMG_3894 IMG_3895 IMG_3896 IMG_3895   IMG_3893  IMG_3888           IMG_3881   IMG_3880    IMG_3878IMG_3894

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