Review: Human Body
Across
- 4. : Inner layer of skin, under the epidermis.
- 6. Intestine : Water and minerals are absorbed in the body (organ in the digestive system).
- 8. : Large muscle between the chest and the abdomen.
- 10. : Organ of excretory system that filters waste from the blood.
- 13. : Skeletal muscles are called _________ muscles because you can control them.
- 14. : Starches and sugars are another words for ____________.
- 15. : The ______________ is the biggest part of the brain.
- 17. : Substances that speed up chemical reactions in the body.
- 18. : There are 4 __________ in the heart.
- 20. : Cells that carry messages to and from the brain and spinal cord.
- 21. : Central control system of the body.
- 22. : This part of the brain is responsible for balance and coordination.
- 25. : A material found in some food (bread, vegetables) that help you digest.
- 26. : Tiny sacs in the lungs where oxygen enters the blood and carbon dioxide leaves the blood.
- 28. : Makes up over half of the body`s weight; carries nutrients throughout the body and helps remove waste.
- 29. : Softens and lubricates food to make it easier to swallow.
- 31. : Places where bones meet.
- 32. : Blood vessels that carry blood back to the heart.
Down
- 1. : Delivers essential nutrients and oxygen throughout the body.
- 2. : The largest organ your body has.
- 3. : Also known as the windpipe.
- 5. : Your bodies largest artery.
- 7. : Muscular tube leading from the mouth to the stomach.
- 9. : Bottom layer of the skin where the roots of your hair are found.
- 11. : ___________ muscles work automatically, you do not need to think about controlling them (e.g., heart beating).
- 12. : Food has three basic nutrients; fats, carbohydrates and __________.
- 16. : A short tube that helps us to make sound, located in the throat.
- 17. : The thin outer layer of skin.
- 19. : An organ that stores urine.
- 22. : The building block of all living things
- 23. : The skin produces extra ________ to act as a shield to prevent UV rays from damaging.
- 24. : A muscular organ that pumps blood.
- 25. : The longest bone in your body is called the ________ bone.
- 27. : The digestive system has parts called _______ that work together.
- 30. : Each lung is made up of different sections called _________.