Blood is a specialized fluid which circulating inside the body. The normal person has about 5 liters of blood in his body. The blood is divided into four major components. They are plasma, red blood cells, white blood cells, and platelets.
The functions of the blood are like transporting oxygen and nutrients to the lungs and tissues, forming blood clots , consists of numerous cell and protein which make the blood thicker, carry the waste products to the kidneys and liver and controlling the body temperature
Plasma- It holds pale yellow color of water, salt and protein. The blood gives half of its place to this Plasma. The primary function of the plasma is to transport blood cells throughout your body carrying nutrients, waste products, antibodies, clotting proteins, chemical messengers
Red Blood Cells (RBC) - this RBC occupied 40-45%in the blood. It contains hemoglobin pigment which helps to carry the oxygen from one place to another.
White Blood Cells (WBC) - It is mainly works against the infection. Blood contains 55 to 70 percent of the total white blood cell count.
Platelets- Platelets are not exactly like other cells which is small in size and that helps the blood to clot.
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