1- The heart pumps blood throughout the entire human body system
2- A vast network called blood vessels carry the blood around the body
3- Blood is a tissue made up of plasma
4- The heart is located in beetween the lungs
5- The heart is an organ
6- The left side of the heart pumps oxygen- rich blood through the arteries wich carries blood throughout the body
7- In the lungs carbon dioxcide is exchanged for inhaled oxygen
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