Here you have some questions about the heart.
To solve them you can follow the links. And then record the answers here.
1.- If all the blood vessels in the body could be joined end to end, how long would it be?
Go to that web page and try to find the answer
2.- How much does the average adult male heart weigh?
You can visit this web page to find the answer
3.- How many liters of blood do the average male and female have in their body?
You can find the name in this page
4.- What is the body's main artery?. How wide is this artery?
Try to find the information here
5.- What are three things that everyone can do to improve our heart's health?
6.- What are the components of the blood?