What are platelets?
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What are red blood cells?
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What are white blood cells?
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What is plasma?
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Arrastra y suelta para completar el texto.
Platelets help wounds heal
Platelets help wounds heal
Cell that take red blood around body
Cell that take red blood around body
Cells that help with the immune system
Cells that help with the immune system
The colorless fluid part of blood
The colorless fluid part of blood