Across
- 3. It is important for fat digestion. It is produced by the liver
- 8. A device which shows both the frequency and amplitude of a sound in the form of wave pattern
- 9. The top layer of the lithosphere, and it is especially important for the development of life on earth.
- 11. Blood vessel that carries blood from the whole body back to heart
- 13. Blood vessel that distributes blood from heart to the whole body
- 14. A cluster of tiny sacs at the end of each bronchiole
- 16. The interaction between living things and its environment
- 17. A muscle that separates the chest cavity and the abdomen. It consists of muscles that can move upward and downward
- 18. The colored part of the eye
- 19. An enzyme that changes carbohydrate into sugar. It found in saliva
Down
- 1. The number of vibrations. It is measured in Hertz (Hz
- 2. A living thing that decomposes the remains of other living things that are already dead
- 4. A meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing as a circular arc in the sky
- 5. It connects the mouth to the stomach
- 6. Gradual loss of the eyes' ability to focus on nearby objects. It's a natural, often annoying part of aging
- 7. Its function is to moisten and soften the food to help it being swallowed
- 10. Acute infection of the lungs, when the lungs fill with fluid resulting in respiratory problems due to the lungs' ability to absorb oxygen being reduced
- 11. Circular folds on small intestine to absorb the nutrients
- 12. The phenomenon of splitting of visible light into its component colours
- 15. A disease when the number of white blood cells increase out of control