Quiz 2 (Chapter 1, pp 9-22)

Question 1

What is the hardest substance in the body?

Answer 1

enamel

Question 2

What mineral is vital in energy production?

Answer 2

magnesium

Question 3

What is the movement of water, digested food, and other dissolved substances into the bloodstream?

Answer 3

absorption

Question 4

What is a series of wavelike contractions that moves food along the digestive tract?

Answer 4

peristalsis

Question 5

What type of doctor treats diseases and disorders of the digestive system?

Answer 5

gastroenterologist

Question 6

What are substances that neutralize free radicals (harmful substances)?

Answer 6

antioxidants

Question 7

What term refers to the visible part of a tooth?

Answer 7

crown

Question 8

What helps move undigested wast materials to help the intestines to function efficiently?

Answer 8

(dietary) fiber

Question 9

What is the body’s largest internal organ?

Answer 9

liver

Question 10

What are plant proteins that lack one or more essential amino acids?

Answer 10

incomplete proteins