Final answer:
Blood is not a homogeneous mixture but a colloidal solution of plasma, red blood cells, white blood cells, and platelets, serving essential roles in the body.
Explanation:
False
Blood is not a homogeneous mixture; instead, it is a colloidal solution, composed of particles suspended in a fluid called plasma. The components of blood include red blood cells, white blood cells, and platelets, which are suspended in the liquid matrix of plasma.
Blood serves crucial functions in transporting nutrients, gases, and wastes, defending the body against infections, and maintaining internal conditions. It is considered a type of fluid connective tissue due to its composition of plasma and formed elements like white blood cells, red blood cells, and platelets.
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