human bio systems crossword
Across
- 2. What makes up the central nervous system with the brain?
- 4. Which part of the brain is the main thinking part or the brain?
- 6. What part of the nervous system sends messages to the body?
- 8. How many spinal nerves does our body contain?
- 9. Which type of blood vessel has a 'pulse'?
- 11. What connects bones to muscles?
- 12. The spongy layer of the skin?
- 16. The bones in your spine are called?
- 17. How many chambers does the heart have?
- 18. How many bones are there in the adult human body?
- 19. What is the main organ that is a vital part of the circulatory system?
Down
- 1. layer of skin that contains sweat and oil glands?
- 3. From which chamber of the heart does blood leave to go to the lungs?
- 5. A place where two or more bones meet is called?
- 7. Part of the bone where blood cells are made?
- 10. What is the outer layer of the skin?
- 13. What is the biggest organ on our body?
- 14. Which type of blood vessel carries blood away from the heart?
- 15. Which part of the brain controls involuntary actions?
- 16. What is a skin condition where someone loses pigment in their skin over time?