why and how does blood matter, and could there be a possible substitute?

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why and how does blood matter, and could there be a possible substitute?

In: Biology

3 Answers

Anonymous 0 Comments

Blood is what carries oxygen and nutrients to our cells and carries waste away. It’s essential for us to survive. Blood is actually made up of several components. There’s plasma, the liquid part, which is mostly water. Then there are red blood cells which carry oxygen, white blood cells which are cells of the immune system, and platelets, which stop wounds from bleeding.

We can replace lost blood plasma with fluids called volume expanders to maintain adequate blood pressure and volume, but we don’t have any good artificial replacements for the other blood components yet (although we’re experimenting with some that), so we have to rely on transfusions of real blood or blood components.

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