Human Body: Circulatory System
What is blood made of A hands-on science demonstration
Human Body: Learning About the Heart - Spell Out Loud
Human Heart on crayola.com
Cute video (too bad it is just a preview) but does tell about the atria and ventricles in a cute way.
Activity to teach how the heart beat: Inflatable heart
Human Body: Learning About Blood Jar of water dyed yellow: plasma Cheerios: red blood cells. I squirted red food coloring on them while dry and put in a small ziplock bag. Then when they were added to the plasma, they turned the water red (which is why blood looks red—because of the red blood cells) Marshmallows: white blood cells Purple pom poms: platelets. Love this idea!
Human Body: Learning About Blood - Spell Out Loud
My Montessori Journey: Montessori--Science