Across
- 1. pumps blood through the entire body
- 4. are used to make sudden movements exp. Gliding Hinge
- 6. Tiny air sacs in our lungs that help us breathe
- 9. system used to transport blood and oxygen throughout the body
- 11. Hold Alveoli and is the main organ in the respiratory system
- 13. Digestion Use of saliva or other materials to break down food
- 14. picks up stimuli in the world and sends them to the interneuron
- 16. One cell thick tubes that line almost every muscle
- 17. Also called the skull, protects the brain
- 18. Creates red blood cells and used as a layer of protection
Down
- 2. Long tube that connects the stomach to the mouth
- 3. Fight diseases and infection with the immune system
- 5. Main organ in the excretory system
- 7. Finger like muscles that absorb nutrients in the small intestine
- 8. Abosrbs Vitamin K and water
- 10. Has acids that remove excess waste from the food and has smooth muscle lining
- 12. Main organ in the nervous system, controls all activities
- 15. This is the exchange of o2 and co2