Across
- 4. the process becoming an adult and are able to reproduce
- 5. to pump the blood
- 6. the system that brings oxygen that transport to our body
- 7. the cell that testes produce
- 10. the tube to transport urine
- 13. tiny air sacs where the exchange of oxygen and carbon dioxide
- 14. the blood vessel that has rich oxygen
- 16. blood collects these substances from our body
Down
- 1. the sperms travel to
- 2. the puberty in girls start
- 3. the other name of womb
- 8. the part of respiratory system
- 9. blood vessels that carry blood poor in oxygen
- 11. the tube that transport air from nose to lungs
- 12. the part of female reproductive system
- 15. the cell that ovaries produce