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Blood and blood vessels quiz
Author :
Miguel Angel Preciado Lopez
1.
Cells that carry oxygen and carbon dioxide.
2.
A mixture of water, nutriments, gasses and salts.
3.
Vessels that carry blood away from the heart.
4.
Vessels that carry blood to the heart.
5.
Cells that fight viruses and bacteria.
6.
Smaller blood vessels, not veins.
7.
Fragments of cells that stop bleeding and help repair cuts.