OD4 U11,12 Vocab

1. to give a disease to someone
5. the smallest part of any living thing
7. a gas that has no color or smell that people and animals breathe out
9. a living thing that is too small to see but can make you sick
10. the beating of your heart that you feel in different parts of your body, especially in your wrist
12. the tubes in your body that carry blood away from your heart to othe parts of your body
13. the part of the body that makes the blood go around inside
14. the two parts inside your body that you use for breathing
16. the red liquid inside your body
17. the smallest tubes in the body that carry blood
19. the small tubes in your body that carry blood to the heart
20. a group of things or parts that work together

2. an illness of the nose and throat
3. very small things that live in air, water, earth, plants, and animals
4. to make a person unable to move all or parts of their body
6. you cannot get a disease
8. a piece of equipment with special glass in it that makes very small things look much bigger
11. what you see if you draw a line around different things; the form of things
15. a sticky substance that is produced in some parts of the body, especially the nose
18. an illness like a very bad cold that makes your body sore and hot