Blood Facts

Blood Facts For Kids - Some interesting facts about blood


Blood is a very important part of our body. We cannot live without it because there is no substitute for blood.

Blood is a liquid that flows around our body, pumped by our heart through a vast network of veins and arteries. Blood delivers oxygen and nutrients to the whole body and also carries away wastes.


15 Blood Facts For Kids

FACT #1. The major human blood groups i.e. A, B, AB, and O was first identified by Dr. Karl Landsteiner in 1901.

FACT #2. Blood is a living liquid made of billions of tiny cells.

FACT #3. Blood has four components – red blood cells, white blood cells, platelets, and plasma. Each component delivers different functions.

FACT #4. Red blood cells carry oxygen to the body’s organs and tissues.

FACT #5. Red blood cells (RBC) contain hemoglobin, which carries oxygen collected from the lungs.

FACT #6. White blood cells (WBCs), also called leukocytes to protect our body from infection, viruses, bacteria, and other foreign invaders. While WBC varies in size, they are larger than red blood cells.

FACT #7. White blood cells are made in the bone marrow.

FACT #8. Platelets are tiny blood cells that help to form blood clots to prevent excess blood loss.

FACT #9. Platelets are produced in our bone marrow.

FACT #10. Plasma is a pale yellow liquid made of up of 90% water and also contains various nutrients, electrolytes, gases, proteins, glucose, and hormones. It carries dissolved nutrients and waste products, such as carbon dioxide, around the body.

Plasma cells are found in bone marrow, where blood cells are made.

FACT #11. Two types of blood vessels carry blood throughout our bodies: Arteries carry oxygenated blood (blood that has gotten oxygen from the lungs) from the heart to the rest of the body. Blood then travels through veins back to the heart and lungs, so it can get more oxygen to send back to the body via the arteries.

FACT #12. There are eight different blood types: A negative, A positive, B negative, B positive, O negative, O positive, AB negative, AB positive.

FACT #13. The rarest blood type is AB-negative.

FACT #14. The most common is blood group is O-positive.

FACT #15. One of the rarest blood types in the world is Rhnull was discovered in 1961. It is also known as ‘golden blood

Hope you enjoyed blood facts for kids. Also dont forget to attempt human body quiz for kids.

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