Across
- 3. A light colored liquid that contains proteins, minerals, vitamins, sugars, and chemical
- 5. The windpipe
- 7. A kind of chemical that affect the body
- 9. The order in which events occur or in which they should be done
- 10. Involuntary muscle that controls the heart
- 13. Protection from disease
- 14. The group of organs that exchange oxygen and carbon dioxide in the body
- 16. A period resulting in the growth and release of a mature egg
- 21. Involuntary muscles found in the lungs, intestines, and bladder
Down
- 1. A developing human from three months after conception to birth
- 2. A unit used to measure the energy value of different foods
- 4. Jelly like substance that is a combinations of nerves and blood vessels
- 6. A chemical that slows the growth of or kills bacteria in the body
- 7. To break down food
- 8. A doctors order for a drug that is carefully regulated
- 11. Tough, flexible material that covers bones and joints
- 12. Involuntary muscle that allows you to change the position of your body
- 15. System The group of organs that remove waist from the body
- 17. Contractions and relaxation of the smooth muscles of the uterus resulting in birth
- 18. Chemicals produced by endocrine glands
- 19. Tough strands of tissues that connect bones
- 20. Tiny particles in the blood that form blood clots
- 22. The effects that someone feels from an illness