What is peristalsis?
The movement of food along the digestive system by wave-like muscle contractions.
A digestive enzyme secreted by the salivary glands.
The actions of churning, grinding, and chewing are referred to as _____ digestion.
Chemical
Mechanical
Structures in the digestive system that slow down the movement of food through the digestive system are referred to as _____.
Sphincters
Valves
What is the function of the villi?
To increase surface area for absorption of nutrients by the small intestine.
To provide movement of nutrients through the small intestine.
What is the function of the large intestine?
To finish the digestion of food not performed by the small intestine.
It's main function is to absorb water and salt.
What is the function of the epiglottis?
To prevent liquids and solids from going into the trachea.
To prevent liquids and solids from going into the esophagus.
True or False: Food does not actually pass through accessory organs, they only contribute chemicals and enzymes to aid in digestion.
Which digestive organ is referred to as a J-shaped sac, lined with folds called rugae, and churns and mixes food with digestive chemicals as it progresses through the digestive system?
Mouth
Stomach
The term "feces" is the scientific word given to the waste product produced by the digestive system and released from the body.
The scientific term given to the process of chewing is referred to as _____.
Manipulation
Mastication
