What kind of molecule is an enzyme? why are enzymes in a cell

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How do the evolutionary chart and the video support the claim that all living things are made up of cells?

What are some of the immune functions of the lymphatic system? a. cleaning red blood cells from the blood and creating lymph fluids b.transporting lymph to the tissues and creating lymph fluids c.removing infectious agents and making white blood cells d.making red blood cells and removing infectious agents