Animal Nutrition

1. disease / if plaque is not removed, bacteria in it may infect the gums
6. / It is an inorganic substance.
7. / small molecules are absorbed into the blood.
8. decay / if sugar is left on the teeth, bacteria in the plaque will feed on it
12. / Helps to keep the alimentary canal working.
13. cavity / Inside of our nose.
14. / a muscular organ located on the left side of the upper abdomen.
17. / Food is taken into the alimentary canal
19. / organ of the digestive system only found in vertebrates which detoxifies various metabolites
20. / Food which could not be digested or absorbed is removed from the body.

2. digestion / involves physically breaking down food substances into smaller particles.
3. canal / a long tube running from one end of its body to the other.
4. / a muscular organ in the mouth.
5. / process of absorption of vitamins
9. portal vein / vessel that moves blood from the spleen and gastrointestinal tract to the liver.
10. / Organic substances are only needed in tiny amounts.
11. / the complex process of turning the food you eat into nutrients
15. / People who take in more energy than they use up get fat.
16. / a digestive fluid produced by the liver and stored in the gallbladder
18. / two tubes leading down from the back of the mouth.