Simple Heart Pump Model
Here’s a simple step-by-step guide to walk you through setting up your own heart pump model at home.
Ingredients
- 1 cup or a glass
- Water
- Red food coloring
- 2 bendable straws
- Play-Doh
- Balloon
- Scissors
- Tape packaging, painters, or duct tape
- Bowl
Instructions
- Fill a jar halfway with water, and add red food coloring.
- Cut the balloon's neck off and stretch it over the jar’s top.
- Tape it down tightly.
- Use scissors to cut two small holes in the balloon.
- Insert two straws into the holes.
- Use Play-Doh to block one straw.
- Bend the other straw so it points into a bowl.
- Press the balloon gently and watch the water squirt.