Question

vessels that carry blood back to the heart?
need food and oxygen to live?
the thin-walled tube which carries air from the nose and mouth into the lungs?
the liquid part of blood left over after clotting has taken place?
help to stop bleeding?
carry oxygen to the cells and take carbon dioxide away?
help the body fight infection?

Answer 1

1) veins
2) cells
3) esophagus
4) lymph
5) platelets
6) blood
7) white blood cells

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