Updated September 2023 To go with our homeschooling circulation week, I found this heart pump experiment on Pinterest from www.Team-Cartwright.com. As usual I found a great idea and tried to make it my own, keep reading to see how our version of the heart pump experiment turned out. Look here for more blood and circulation curriculum ideas Materials Needed: -1 or 2 balloons-2 small cups (I used Take n’ Toss sippies)-Toothpick-2 bendy straws-Tape-water-Red food coloring (optional but it makes it more realistic)-Something to protect the area from flying “blood” Step 1) Cut the neck off of the balloon Step 2) Fill one of the cups 3/4 full with water &…