digestive system

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

• Mechanical Digestion
• Chemical Digestion

Number 4 is pointing to the....

• Anus
• Rectum
• Large Intestine
• Small intestine

Number 2 is pointing to the...

• Esophagus
• Stomach
• Small intestine
• Anus

An incisor is located where in the mouth? 

• front
• back
• left side
• right side

Which of the following helps digest starch in the mouth...

• salivary amylase
• lysozymes
• mucin
• bolus

A bolus...

• helps digest starch
• is a combination of saliva and food
• creates antibacterial activity in the mouth
• acts as a lubricant

The innermost layer of the alimentary canal is...

• Submucosa
• Mucosa
• Muscularis externa

This layer of the alimentary canal lies just beneath the mucosa and contains soft connective tissue with blood vessels, nerve endings and lymphatics

• Mucosa
• Muscularis
• Submucosa

How many permanent teeth do humans have?

• 20
• 30
• 32
• 42

How many baby teeth do we have?

• 20
• 10
• 32
• 12