Blood! What about it?

Illustration of elements of blood



WHAT IS BLOOD?

Your blood is living tissue made up of liquid and solids. The liquid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets.

Another definition says:
Blood is the red fluid that circulates in our blood vessels, i.e.veins and arteries. The main function of blood is to act as the body’s transport system, but it also has a major role in the body’s defense against infection. There is no substitute for blood. It cannot be made or manufactured.

    Donors are the only source of blood for patients who need it.
components image

Red blood cells deliver oxygen from your lungs to your tissues and organs. White blood cells fight infection and are part of your body's defense system. Platelets help blood to clot when you have a cut or wound. Bone marrow, the spongy material inside your bones, makes new blood cells. Blood cells constantly die and your body makes new ones. Red blood cells live about 120 days, platelets 6 days and white cells less than a day.



Types of blood disorders include


  • Platelet disorders, excessive clotting, and bleeding problems, which affect how your blood clots
  • Anemia, which happens when your blood does not carry enough oxygen to the rest of your body
  • Cancers of the blood, such as leukemia and myeloma
  • Eosinophilic disorders, which are problems with one type of white blood cell.
  • Problems with your blood may include bleeding disorders, excessive clotting and platelet disorders. If you lose too much blood, you may need a transfusion.

bone marrow image

To be continued tomorrow...

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About Akins Mathew

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