Across
- 2. the brain is protected by bones called
- 5. pain what do you mean by angine
- 7. the outer part of ear
- 8. in humans the process digestion begins in the
- 9. what human organ is mainly affected by the cholera bacteria
- 10. on which side of the body does the appendix lie
- 13. what is the membrane the heart in enveloped
- 15. acid building block of proteins
- 18. what do you call the major blood vessel that carries blood away from the heart
- 20. the largest part of the brain is the
Down
- 1. membrane a thin layer covering the outside of cells
- 3. what is the tough substance the finger and toe nails are made of
- 4. which was the first ever antibiotic produced
- 6. what cells organelle produce proteins
- 11. what zodiac sign depicts twins
- 12. type of muscle found in heart
- 14. muscle located under lungs
- 16. bean shaped urinary system organ
- 17. the part of the body mandible
- 19. connects a muscle to a bone