The Digestive System

The pulp cavity contains...

• enamel
• dentin
• nerves and blood vessels
• bone

An incisor is located where in the mouth? 

• front
• back
• left side
• right side

Which of the following causes cavities? 

• plaque
• acid from bacteria
• sugary candy
• proteins on the teeth

The oral cavity consists of...

• larynx, mouth, pharynx
• mouth
• mouth and pharynx
• mouth, pharynx, and esophagus

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

• salivary amylase
• lysozymes
• mucin
• bolus

Tags

NGSS.MS-LS1-7

A bolus...

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

Tags

NGSS.MS-LS1-7

Which structure prevents food from entering the trachea? 

• larynx
• soft palate
• pharynx
• epiglottis

Which area is a common area for both food and air? 

• pharynx
• larynx
• soft palate
• epiglottis

The structure that transports the bolus from the pharynx to the stomach it called...

• larynx
• trachea
• esophagus
• pyloric sphincter

The involuntary muscular movement of food caused by smooth muscle is called

• bolus transport
• indigestion
• absorption
• peristalsis