How does your Heart make blood?
How does your Heart make blood?  
Podcast: Who Smarted? - Educational Podcast for Kids
Published On: Mon Nov 07 2022
Description: What is your Circulatory System? How does your Heart work? How much blood does your Heart pump out every hour? For free home activities sign-up at www.WhoSmarted.com See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.