1. Mono - a disease that many people get in their teens caused by a virus that is passed in saliva

2. Mechanical - digestion which involves teeth or rocks to breakdown food

3. Villi - the small __________ function by absorbing nutrients

4. Phagocytosis - engulfing and digesting microbes often done by macrophages

5. Fluid - a blood-sucking mosquito is an example of a ______ feeder

6. Cytotoxic - immune cells that attack and destroy infected host cells

7. Digestion - the process of breaking food down

8. Liver - organ which makes bile

9. Krill - small shrimp-like food of humpback whales

10. Fever - rise in body temperature which slows down the replication of viruses

11. Esophagus - tube which connects the oral cavity to the stomach

12. Absorption - finger-like projections that aid in nutrient absorption

13. Malnurishment - not obtaining enough food

14. Antigen - substance recognized by the immune system as foreign

15. Omnivore - eats many things (plant, meat, insects, fruit, etc.)

16. Bile - substance produced by the liver to breakdown fats

17. Alimentary - the canal through which food is processed

18. Vitamins - necessary for enzymes to work efficiently

19. Microbes - some are normal residents of the stomach and colon

20. Primary - immune response in which the microbe is encountered for the first time

21. Lumen - the center of the small intestine

22. Diabetes - disease which is often triggered by a diet high in sugars

23. Vaccine - treatment used to create memory cells to provide a bigger and faster response to a microbe

24. Fat - 1 gram of this has twice the calories of 1 gram of proteins

Antibody - a blood cell that fights infection

4. Colon - the part of the large intestine where water is absorbed from the food waste

5. Elimination - the process of getting rid of waste products from the body

6. Digestive - relating to the process of digesting food

7. Nutrition - the process of providing or obtaining the food necessary for health and growth

8. Basal - metabolic rate when the body is at rest

9. Fever - a temporary increase in body temperature, often due to illness

10. Pancreas - an organ that produces digestive enzymes and insulin

11. Antibiotic - a medicine that inhibits the growth of or destroys microorganisms

12. Antibody - a protein produced by the immune system in response to the presence of a specific antigen

13. White - blood cells that play a key role in the immune system's response to infection

14. Vaccine - a substance used to stimulate the production of antibodies and provide immunity against one or several diseases

15. Nutrient - a substance that provides nourishment essential for growth and the maintenance of life

16. Digestion - the process of breaking down food into smaller components that can be absorbed by the body

17. Allergy - an abnormal immune response to a substance that is normally harmless

18. Chemical - relating to substances used in or produced by a reaction involving changes to atoms or molecules

19. Fluid - a substance that has no fixed shape and yields easily to external pressure