Digestive System

What two types of cells make up salivary glands?

• mucus

• epithelial

• serous

• columnar

The chemical and mechanical breakdown of foods into forms that cell membranes can absorb is what?

• chewing

• digestion

• peristalsis

• microvilli

How many secondary teeth do most humans have?

• 26

• 28

• 30

• 32

What are baby teeth?

• primary teeth

• permanent teeth

• smaller teeth

• adult teeth

What type of impulse decreases digestive activity?

• parasympathetic

• sympathetic

• submucosal

• myentric

What is the hardest structure in the human body?

• teeth

• long bones

• flat bones

• skull bones

How many pairs of salivary glands do humans have?

• 2

• 3

• 4

• 5

What type of cells produces the watery fluid portion of saliva?

• serous

• mucus

• epithelial

• columnar

What type of impulse increases gastrointestinal motility?

• parasympathetic

• sympathetic

• nervous

What is absorbed in the stomach?

• vitamins

• alcohol

• carbohydrates

• proteins