1. Proteins are made up of chains of which type of molecule?

    glucose

    fatty acid

    amino acid

    glycerol

2. What do we call the process by which food is passed along the oesophagus?

3. Cellulose is an example of a carbohydrate.

    True

    False

4. Starting at the front of the mouth, what is the order of the teeth?

    molar, premolar, canine, incisor.

    premolar, molar, canine, incisor.

    incisor, canine, premolar, molar.

    canine, incisor, premolar, molar.

5. The enzyme present in saliva is called .

6. The gall bladder makes bile.

    True

    False

7. Pepsin is an enzyme found in the stomach which breaks down proteins. It works best at which pH?

    2

    5

    8

    11

8. What is the tiny lymphatic vessel inside a villus called?

9. Which part of the digestive system reabsorbs water?

    rectum

    colon

    small intestine

    appendix

10. Which element is not found in fats?

    nitrogen

    hydrogen

    carbon

    oxygen