how to make working model of the human heart using DC water pumps and 9V batteries
Creating a working model of the human heart using DC water pumps and 9V batteries is an excellent way to demonstrate how the heart functions. Here’s a detailed guide to help you build your model: Materials Needed Step-by-Step Video Instructions 1. Base and Heart Structure 2. Blood Storage (Paper Cups) 3. Water Pumps and Tubing … Read more