What is blood made up from
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Blood is a complex liquid tissue in the body that is responsible for carrying oxygen and nutrients to the cells, and removing CO2 and waste products. The average man has a blood volume of approximately 5 quarts.
Human blood contains over 4,000 components. The major constituents of blood are red cells (RBC), white cells (WBC), platelets and plasma.
RBC are produced in the bone marrow. Their protein, hemoglobin, carries oxygen to the tissues and CO2 away from the tissues to the lungs for excretion.
WBC are also produced in the bone marrow. They include Neutrophils that are involved in attacking foreign bacteria and mounting inflammatory responses to tissue injury, Lymphocytes that mediate immune responses, Monocytes that engulf inflammatory debris, Eosinophils that participate in allergic responses, and Basophils that contain histamines.
Platelets initiate blood clotting when vessels are breached or injured. They can form plugs to seal small injured vessels.
The plasma is a clear, pale yellowish fluid that contains proteins, fats, salt, enzymes, clotting factors and antibodies.
i think is plasma because i asked my teacher..............
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