Science Corssword

1. The chemical battery used to help with cellular respiration
3. Carry blood to the heart
6. Where Dr. Charles Drew went to college
7. The most abundant type of blood in the body; primary transporter of oxygen to cells throughout the body
9. The organ in our upper body where air is exchanged
11. The hole where air comes in and out of
13. The last name of the scientist who discovered the four types of blood
14. Little sacks in our lungs the help with breathing
16. A profession many people believed was too hard for women in the 1800's
19. The larger lung
21. Healthy habits that keep your body clean and happy like brushing your teeth or washing your hands
22. These carry oxygen rich blood away from the heart to the body

2. Carries nutrients to the cells and transports waste away
4. The study of food and how it works in your body
5. A place where people can receive medical treatment
8. Where Elizabeth Blackwell was born
10. Strong muscle in upper body that helps breathing
12. These tiny blood cells connect arteries and veins
15. This lung is split in 2 parts
17. The chemical we breathe, that also makes candles burn
18. This long tube is 4-5 inches in diameter and is where oxygen travels down and carbon dioxide travels up
20. The type of blood cells that help fight infections