What is blood?

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What is Blood?

We are all listen word blood and we are all known blood play vital role in our life/body. Blood is a very important part of our body. We don’t know how to make blood in our body and what are integrates of blood. Blood circulate our body in the shape of liquid, and it is essential of our life.

Blood protect human body against infection and transport substances and nutrients like oxygen, metabolic sugar and hormones waste products from blood cells. Blood have not substituted and it is not made or manufactured anywhere in world. Blood donors are source of blood patients in the emergency situation. Blood composed with blood cells, platelets and plasma (water liquid) that suspended in it. Plasma have constitutes, proteins, glucose, hormones, carbon dioxide, mineral ions and blood cells. The blood cells have a two type red blood cells, and white blood cells. Red cells also called RBCs and White cells are called WBCs.

Red Blood Cells;

Red blood Cells also called as RBCs or Erythrocytes. It’s portion in our body blood quantity 40% - 45%. They are containing hemoglobin (Hb or Hgb) and it’s shaped like disc, slightly, flattened. They pick and deliver oxygen to all parts of our body, and also pick up carbon dioxide for remove it from tissues. Red blood cells are produce in our bone marrow especially hips, ribs, sternum and skull at the rate of 4 to 5 billion per hour. Its life is maximum 4 Months after that they are degraded by the kupffer cells in liver.

White Blood Cells;

White blood cells also called as WBCs or leukocytes. It portion is total blood only 1% of our body. White blood cells are every important for good health and they are protection against infection, foreign bodies, viruses, bacteria. White blood cells also can move bloodstream to fight against affected tissues and also repair abnormal cells such like cancer cells.


Platelets are also known as thrombocytes, it’s a wonderful part of our blood. Platelets are look like small plates it is smallest part of our blood. They are stop bleeding whenever we are wound the blood vessel send a signal, platelets receive signal and move to the area and transform into their active formation.


Plasma is the large portion of our blood it is in liquid form has 55% of total blood. It is yellowish color and is mostly of water, proteins, sugars, hormones and other substances. Plasma transfer water and nutrients to our body issues.


Blood is the very essential part of our body we did not live without blood. They have four elements red cells, white cells, platelets and plasma. They combination of four components make a blood in human bodies. Large portion of blood base on plasma after that red cells and smallest portion of blood is white cells. Blood is defense against infections, disease viruses and bacteria’s. if anyone need blood in emergency case just blood donors is a solution of full fill patients requirements.