Facts About Blood

🥲🩺 𝙁𝙖𝙘𝙩𝙨 𝙖𝙗𝙤𝙪𝙩 𝘽𝙡𝙤𝙤𝙙 🩸💉

🩸1. More than 4.5 𝙢𝙞𝙡𝙡𝙞𝙤𝙣 𝙥𝙖𝙩𝙞𝙚𝙣𝙩𝙨 need blood transfusions eoach year in the U.S. and Canada.

🩸2. 43,000 pints: amount of donated blood used each day in the 𝙐.𝙎 and 𝘾𝙖𝙣𝙖𝙙𝙖.

🩸3. Someone needs blood every two seconds.

🩸4. Only 37 percent of the U.S. population is eligible to donate blood – less than 10 percent do annually**.

🩸5. About 1 in 7 people entering a 𝙝𝙤𝙨𝙥𝙞𝙩𝙖𝙡 need blood.

🩸6. One pint of blood can save up to 𝙩𝙝𝙧𝙚𝙚 lives.

🩸7. 𝙃𝙚𝙖𝙡𝙩𝙝𝙮 𝙖𝙙𝙪𝙡𝙩𝙨 who are at least 17 years old, and at least 110 pounds may donate about a pint of blood—the most common form of donation—every 56 days, or every two months. 𝙁𝙚𝙢𝙖𝙡𝙚𝙨 receive 53 percent of blood transfusions; males receive 47 percent.

🩸8. 94 percent of blood donors are registered voters.

🩸9. Four main 𝙧𝙚𝙙 𝙗𝙡𝙤𝙤𝙙 𝙘𝙚𝙡𝙡 𝙩𝙮𝙥𝙚𝙨: A, B, AB and O. 

Each can be 𝙥𝙤𝙨𝙞𝙩𝙞𝙫𝙚 or 𝙣𝙚𝙜𝙖𝙩𝙞𝙫𝙚 for the Rh factor.

 AB is the 𝙪𝙣𝙞𝙫𝙚𝙧𝙨𝙖𝙡 𝙧𝙚𝙘𝙞𝙥𝙞𝙚𝙣𝙩; 

O negative is the universal 𝙙𝙤𝙣𝙤𝙧 of rOoed blood cells.

🩸10. 𝘿𝙧. 𝙆𝙖𝙧𝙡 𝙇𝙖𝙣𝙙𝙨𝙩𝙚𝙞𝙣𝙚𝙧 first identified the major human blood groups – A, B, AB and O – in 1901.

🩸11. One unit of blood can be separated into several 𝙘𝙤𝙢𝙥𝙤𝙣𝙚𝙣𝙩𝙨: red blood cells, plasma, platelets and cryoprecipitate.

🩸12. Red blood cells carry 𝙤𝙭𝙮𝙜𝙚𝙣 to the body’s 𝙤𝙧𝙜𝙖𝙣𝙨 and𝙩𝙞𝙨𝙨𝙪𝙚s.

🩸13. Red blood cells live about 120 𝙙𝙖𝙮𝙨 in the circulatory system.

🩸14. Platelets promote 𝙗𝙡𝙤𝙤𝙙 𝙘𝙡𝙤𝙩𝙩𝙞𝙣𝙜 and give those with leukemia and other cancers a chance to live.

🩸15. 𝙋𝙡𝙖𝙨𝙢𝙖 is a pale yellow mixture of water, proteins and salts.

🩸16. 𝙋𝙡𝙖𝙨𝙢𝙖, which is 90 percent water, makes up 55 percent of blood volume.

🩸17. Healthy 𝙗𝙤𝙣𝙚 𝙢𝙖𝙧𝙧𝙤𝙬 makes a constant supply of red cells, plasma and platelets.

🩸18. Blood or plasma that comes from people who have been paid for it cannot be used to 𝙝𝙪𝙢𝙖𝙣 𝙩𝙧𝙖𝙣𝙨𝙛𝙪𝙨𝙞𝙤𝙣.

🩸19. 𝙂𝙧𝙖𝙣𝙪𝙡𝙤𝙘𝙮𝙩𝙚𝙨, a type of white blood cell, roll along blood vessel walls in search of 𝙗𝙖𝙘𝙩𝙚𝙧𝙞𝙖 to 𝙚𝙣𝙜𝙪𝙡𝙛 and 𝙙𝙚𝙨𝙩𝙧𝙤𝙮.

🩸20. 𝙒𝙝𝙞𝙩𝙚 𝙘𝙚𝙡𝙡𝙨 are the body’s primary 𝙙𝙚𝙛𝙚𝙣𝙨𝙚 𝙖𝙜𝙖𝙞𝙣𝙨𝙩 𝙞𝙣𝙛𝙚𝙘𝙩𝙞𝙤𝙣.

#points

#NCERT

#neet 

#quick_revision 

#Biology ❣

[Share it👀]