Digestive System

A digestive system is used to break down food into ______________.

• energy

• sugar

• carbohydrates

• enzymes

Tags

NGSS.MS-LS1-7

The body plan that we have, has evolved from a single direction tube or unidirectional, into a

series of separate compartments.

• True

• False

Tags

NGSS.MS-LS1-3

NGSS.MS-LS4-2

There are four process to the digestive system. These include ingestion, digestion, absorption

and elimination.

• True

• False

Tags

NGSS.MS-LS1-7

Ingestion is part of the Digestive System where food is first used and is the first step. Ingestion means _______________.

• going in

• going out

Digestion starts in the mouth with chewing which is the mechanical part of digestion.

• True

• False

_______________ digestion that takes place here in the mouth as enzymes start chemical reactions in our saliva that break down starches , like bread.

• Chemical

• Mechanical

• Mechanismal

• Digestibale

Tags

NGSS.MS-LS1-7

Ingestion and digestion take place in the mouth.

• True

• False

Tags

NGSS.MS-LS1-7

The ______________________ is a primary site of digestion. With acids and enzymes and churning of

contents.

• stomach

• liver

• kidney

• mouth

Tags

NGSS.MS-LS1-7

The small intestine is a part in the digestive system after the stomach and it is NOT the central site of nutrient absorption.

• True

• False

Any remaining undigested food continues on from the small intestine to the large intestines and becomes waste.

• True

• False