Digestive System Part 1 Review

What is the function of the esophagus?

• moves food by using peristalsis

• digesting protein

• chemically digests fats and absorbs some vitamins

• Absorption of proteins and alcohol

The chewing and grinding of food into smaller pieces is an example of...

• Mechanical Digestion
• Chemical Digestion

How many baby teeth do we have?

• 20
• 10
• 32
• 12

How many permanent teeth do humans have?

• 20
• 30
• 32
• 42

Food broken down by chemicals is called

• mechanical digestion
• chemical digestion

Food broken down by physical processes is called

• mechanical digestion
• chemical digestion

What is the correct arrangement of layers in the alimentary canal from superficial to deep?

• serosa-muscularis-submucosa-mucosa

• serosa-muscularis--mucosa-submucosa

• mucosa-muscularis-serosa-submucosa

• mucosa-submucosa-muscularis-serosa

Which part of the tooth contains the blood vessels and nerves?

• crown

• enamel

• pulp cavity

Toddlers with all their deciduous teeth still have 12 fewer teeth than adults.

• True

• False

Astronauts have difficulty swallowing in space.

• True

• False