Introduction to the Circulatory System

I want you to watch the video of the heart beating.

Task:

I want you to think about what kinds of things you witnessed in this short video.  Why did it beat the way it did?  How many contractions does it look like it makes?  Did anything surprise you?  

Hybrid Medical Heart Beating - Click here to access

Build a body

Try the Circulatory and Respiratory Systems

Ted Ed- How your heart pumps blood?

Task: I want you to explore the following three sites and find the names and locations of the different structures in the heart.

3D Heart Link

Human Heart Link
National Geographic- Heart

On the provided Heart Diagram please label the:

1. 4 chambers of the heart

2. pulmonary vein and artery

3. 4 heart valves

4. sinoatrial nodes (S-A Node) and atrial-ventricular node (A-V Node)

5. septum

6. aorta
7. aortic arch

If done color code oxygen-rich blood red and oxygen-poor blood blue at it circulates throughout the heart.

If done watch- How Blood Pressure Works?