The heart - cardiovascular system

This video tutorial guides viewers through building a model of the heart to understand the cardiovascular system. It begins with an introduction to the topic, followed by a list of materials needed. The video then provides step-by-step instructions for assembling the model, including safety tips for drilling holes. The tutorial concludes with a demonstration of the model in action and a farewell message.

Describe the process of making a long straw from two straws.

What should you do to ensure a tight seal when using the bottle caps?

What happens when you squeeze the middle bottle in the model heart?