Circulatory system MB

123456789101112131415161718
Across
  1. 7. Protein found in red blood cells that carries oxygen from the lungs.
  2. 8. Your heart is divided into 4 of these.
  3. 11. Makes up 45% of your blood and are responsible for carrying oxygen throughout body.
  4. 12. Large blood vessel that take blood away from the heart
  5. 13. The smallest of the blood vessels only one cell thick
  6. 15. The bottom 2 chambers of your heart.
  7. 16. The circulatory system transports oxygen, waste and this third thing.
  8. 18. Groups of cells work together to form this.
Down
  1. 1. The highway, roads, and driveways that transport the blood in your body.
  2. 2. Not to be confused with heated gas, this part of blood makes up 55% of it.
  3. 3. Makes up <1 % of blood, acts as guards to fight off illness
  4. 4. The fluid that is transported around the circulatory system.
  5. 5. The organ responsible for pumping blood
  6. 6. About how long does it take for blood to make one trip through your body.
  7. 9. Less than 1% of your total blood, these are valuable for when you get a cut.
  8. 10. Tissues are grouped together to form these.
  9. 14. The top 2 chambers of your heart.
  10. 17. The third type of blood vessel, returns blood back to the heart