Science Revision Crossword

4. the organ that produces hormones and detoxificates the body
6. to bring within
8. this cage like bone structure protects the lungs and heart
10. these two organs are the bodies natural filter
11. this vital organ recirculates blood throughout the body
12. this chemical that plays a major role in photosynthesis
13. the system that is a basic framework of the body
15. one of the first countries to use the microscope for research
19. an instrument used to see objects unseen to the naked eye
20. the organ that breaks down foods and eaten products
22. this pipe connects the larynx to the bronchi allowing foreign particles to be trapped and swallowed towards the stomach.
23. the basic power plant of the cell

1. the bone structure that protects the brain
2. this organ expels carbon dioxide and inhales oxygen for the blood stream
3. this tube cycles de-oxygenated blood to the heart and lungs
5. this tube carries oxygenated blood from the heart to the different parts of the body
6. it pumps blood into the oxygen and extract carbon dioxide
7. the system that chemical breaks down food products for absorption into the blood stream
9. it is in the gallbladder to break down fat.
14. something invertebrates don't have
16. passageways that connect the windpipe to the left and right lungs
17. this tube like muscle separates food for digestion and air ready to be breathed
18. its function is to moisten and warm air for breathing
21. this stuff resides inside the bone, and creates blood