blood

prezentatsiya powerpoint blood what is blood? • blood provides a mechanism for rapid transport of nutrients, waste products, respiratory gases and cells • it is powered by the pumping action of the heart! what is blood? • the average human has 5l of blood in their body (7-8% of body weight)! • about one billion red blood cells in just 2-3 drops of blood! • ph level = 7.35-7.45 what is the composition 1. red blood cells 2. white blood cells 3. platelets 4. plasma of blood? what is the composition of blood? what is the composition of blood? 1. red blood cells aka erthryocytes • most abundant cell in blood • produced in the bone marrow (lose nucleus before …

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