If you put water in a plastic baggie, you can squeeze the baggie and move the water around. Your hand is pushing the water just like your heart pushes blood.
Picture: A drawing of the inside of a heart.
Do cats have a heart?
If you put water in a plastic baggie, you can squeeze the baggie and move the water around. Your hand is pushing the water just like your heart pushes blood.
Picture: A drawing of the inside of a heart.
0 comments:
Post a Comment
I'm so glad you visited. Your comments are important to me! I always respond to comments, so be sure to check back again! Thanks for coming.