1. Blood is a fluid that circulates through the body, delivering oxygen and nutrients.
2. It is made up of red blood cells, white blood cells, platelets, and plasma.
3. Red blood cells carry oxygen from the lungs to the body.
4. White blood cells help fight infections and diseases.
5. Platelets help in clotting to stop bleeding.
6. Plasma is the liquid part of blood and carries hormones, nutrients, and waste.
7. Blood is pumped by the heart through arteries and veins.
8. There are four main blood types: A, B, AB, and O.
9. Blood is essential for maintaining body temperature and pH balance.
10. Losing too much blood can be dangerous and may require a transfusion.
How does blood clot when you get a cut?
Why do people have different blood types?
What happens if someone gets the wrong blood type in a transfusion?
Why do veins look blue when blood is actually red?
How does blood transport oxygen throughout the body?
What are some common blood disorders?