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BLOOD. Blood is made up of 4 components. Red Blood Cell White Blood Cell Platelets Plasma.

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Presentation on theme: "BLOOD. Blood is made up of 4 components. Red Blood Cell White Blood Cell Platelets Plasma."— Presentation transcript:

1 BLOOD

2 Blood is made up of 4 components. Red Blood Cell White Blood Cell Platelets Plasma

3

4 PLASMA The liquid portion of the blood Mostly made up of water It carries: –nutrients –chemical messengers –wastes

5 Red Blood Cells (RBC) Takes up O2 & delivers it to cells. No nucleus Round donut, with no hole Hemoglobin: - Found in the RBC. –An iron containing protein that binds chemically to O2.

6 White Blood Cells (WBC) Fights diseases  Get rid of bad bacteria, viruses and other invaders How are they different from RBC? –There are fewer of them.(1:1000) –They are bigger –They have nuclei –Most live for months or even years.

7 Platelets They are pieces of cells  fragments. Help form blood clots. – Fibrin (a protein) weaves a net of tiny fibers across a cut, which traps blood cells & platelets that form a clot.

8 Blood Transfusion The transfer of blood from one person to another when clotting isn’t working and a person is losing too much blood.

9 Blood Types Type AAntigen A marker Anti B markers Type BAntigen B marker Anti A markers Type ABAntigen A and B markers No markers (no clumping proteins) Type O NO antigen markers Anti A & Anti B markers

10 BLOOD TYPE “A” Has “A” antigens (markers) to make it an “A” blood cell. Has antibody “B” markers that will clump and destroy any “B” blood cell. Can receive from “A” and “O” Can donate to “A” and “AB”

11 Rh Factor (13) Another protein found on RBC. Rh+ you have the Rh marker(s) Rh-no Rh marker

12 Lymphatic System (18-20) A network of vein like vessels that returns fluids to the bloodstream. Lymph: fluid inside the lymphatic system. Lymph nodes filter lymph trapping bacteria & other micro organisms that cause diseases.


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