Digestive System Flashcard

Front

What is the function of peristalsis?

Back

to move food through the digestive system

Front

When does the first step of digestion usually occur?

Back

when the food is chewed

Front

Food enters the human body through the ______.

Back

mouth

Front

Digestion begins in the mouth with chewing and ________________ beginning to break down food.

Back

saliva

Front

What is the correct sequence of events in the human digestive system?

Back

Ingestion, Digestion, Absorption, Excretion

Front

Absorption in the small intestines occurs through the walls of fingerlike projections called _______________.

Back

villi

Front

Which organ is primarily responsible for nutrient absorption?

Back

small intestine

Front

What role does saliva play in digestion?

Back

It moistens food and begins carbohydrate digestion.

Front

What are the primary functions of the excretory system?

Back

Cleans the blood and gets rid of waste.

Front

Chewing is what kind of digestion?

Back

Mechanical Digestion