Across
- 6. the process by which animals eat food and use it to live, grow and reproduce
- 8. proper proportions and amount of food
- 10. sugar and starches that supply energy
- 12. the lean meat of the animal
- 15. a disease of the gums and skin caused by a deficiency of vitamin C in the diet
- 16. can work without the will of the animal
- 17. internal functions and vital processes of animals and their organ
- 18. are complex chemicals
- 19. is made up of bones joined together by cartilage and ligaments
- 20. made up of the heart, veins, arteries and lymph glands
Down
- 1. is a result of to little nutrition
- 2. can be controlled by animal
- 3. amount of food eaten by an animal in 1 day
- 4. nutrients made up of amino acids and are building blocks of muscles
- 5. material inside bones
- 7. various parts of the body
- 9. essential elements
- 11. supply oxygen to the blood
- 13. the result of too much or improper types of food being eaten
- 14. main component of the skeletal system