Human Body Vocabulary

2. a condition in which a person's body has an unusual reaction to something
6. means letting go of the tension in the muscles so they feel soft instead of tight
8. means the muscles get shorter and tighter, like a rubber band, to move your body parts
10. are the hard,strong pieces inside your body that form your skeleton
11. a health problem that makes it hard to breathe
12. is a type of joint in your body that works like a door hinge, allowing you to bend and straighten your arm or leg in one direction
13. is a type of joint that allows one bone to rotate side to side

1. is a joint where the rounded ball-shaped end of one bone fits into the cup-shaped socket of another bone
3. where two or more bones meet in your body
4. a collection of tissues in the body that have a specific job
5. very tiny living organisms that cause us to get sick
7. means something that does a specific job
9. the protective outer covering of the human body
10. something that protects