what is blood . whats importance
Answers
HERE IS THE ANSWER
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BLOOD CONSISTS OF RBC (RED BLOOD CELLS) , WBCs (WHITE BLOOD CELLS) , PLASMA OF ABOUT 60% , PLATELETS...
IMPORTANCE OF BLOOD
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BLOOD HELPS IN TRANSPORTATION OF FOOD AND NUTRIENTS TO ALL THE PARTS OF BODY..
WBCs PROTECT BODY FROM UNWANTED DISEASE OR BACTERIUM...
PLATELETS HELPS IN CLOTTING OF BLOOD...
BLOOD IS ALSO THE CARRIER OF OXYGEN...
HOPE IT HELPS U☺☺
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What's Blood:
Blood contains corpuscles which are red blood cells, white blood cells and platelets. Red blood cells are also known as erythrocytes and White blood cells are also known as leucocytes. In this fluid connective tissue, the blood cells move in a fluid matrix called plasma. The plasma contains inorganic salts and organic substances. It is the main circulating fluid that helps in the transport pf any substances. Blood is also known as fluid connective tissue.
Types of Blood:
➡Red blood corpuscles (Erythrocytes)
➡White blood corpuscles (Leucocytes)
About them:
⏩Red blood corpuscles (Erythrocytes)
They are oval shaped, circular, biconcave disc - like and lack nucleus when mature (mammalian RBC). They contain a respiratory pigment called haemoglobin which is involved in the transport of oxygen to tissues.
⏩White blood corpuscles (Leucocytes)
They are larger in size, contain distinct nucleus and they are colourless. They are capable of amoeboid movement and play an important role in body's defense mechanism.
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