Across
1. the type of muscle that is involuntary and surrounds
organs
3. muscular structure in a worm that pulls the food in
4. connects the mouth to the stomach
6. largest body organ
8. main organ of the respiratory system
10. grinds the food in the worm
11. part of the digestive system where chemical
digestion takes place
13. the “band-aid” part of the worm
15. J-shaped organ that stores food and begins to
digest it
18. weighs 3 pounds and controls everything in your
body
20. stores urine
23. stores bile that is produced by the liver
25. part of the digestive system where water is
absorbed
26. a group of cells
28. the type of muscle that you move on your own
29. tissues make up these, ex: heart, lung, stomach
30. links the brain to the rest of the nerves in the body
Down
2. a bunch of organs working together in the body
5. organ that is between the stomach and small intestine
7. worms have 5 of these
9. circulates blood throughout the body
12. storage of food in a worm
13. the heart has four of these
14. the sound the heart makes
16. the part of the neuron that receives information
17. building block of all living thigns
19. carries nerve impulses away from the cell body
21. the type of muscle that makes up the heart
22. Nerve Cell
24. something that happens to skin in adolescence
27. major organ of the excretory system that removes waste from the blood
31. largest organ INSIDE the body, 3 lobes for frogs