Question

$what \: is \: blood$
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Answer 1

Answer:

Blood is actually a tissue. It is thick because it is made up of a variety of cells, each having a different job. In fact, blood is about 80% water and 20% solid.

Explanation:

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Answer 2

Answer:

Blood is made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets.

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