Across
- 3. reaction that releases heat
- 5. changes sound vibration to nerve impulse
- 6. radiation used to kill cancer cells
- 7. controls voluntary actions
- 8. carries water and minerals from roots to the leaves
- 9. substance found in cigarettes that causes addiction
- 11. substance that prevents the trachea from collapsing
- 12. enzymes that breakdown starch to maltose
- 14. respiratory system of an insect
- 16. rabbit has this type of vision
- 19. Process where plant make food
- 20. class of food needed for cell growth
- 21. carries glucose from the leaves to all parts of the plant
- 23. example of a unicellular organism
- 24. the term used to describe cutting of the fallopian tube to prevent fertilization
- 26. blood vessel that carries oxygenated blood from the heart to all parts of the body
- 27. digestion of protein starts here
- 28. the only vein that carries oxygenated blood
- 29. reaction that absorbs heat
Down
- 1. structure found in the lungs that are responsible for the exchange of respiratory gases
- 2. Instrument used to observe and collect information on bodies and phenomena in outer space
- 4. spacecraft used to collect data from outer space and send them back to Earth
- 5. smallest blood vessel in the human body
- 10. generate energy for the cells during respiration
- 13. the coldest part on the sun
- 14. structure that protects the seed
- 15. substance that combines with oxygen found in red blood cell
- 17. controls body balance
- 18. structure that helps to increase the surface area of the small intestine
- 22. Substance that absorbs Sunlight
- 25. the process where plant loses excess water and also helps to cool down the plant
- 27. disease caused due to lack of vitamin C