Digestion Intro Notes

Why do we need food?

• To make the body cooler

• To increase body weight

• To provide energy for activities

• To improve our mood

Tags

NGSS.MS-LS1-7

What is the first function of the digestive system?

• It increases food size

• It helps in breathing

• It cools down the body

• It breaks down food into molecules the body can use

Tags

NGSS.MS-LS1-7

What does mechanical digestion involve?

• Food being chemically altered

• Food being cooked

• Food being absorbed directly

• Food being physically broken down into smaller pieces

Which of the following is NOT a function of the digestive system?

• Eliminating waste from the body

• Helping in vision

• Putting molecules into the blood

• Breaking down food into molecules

Tags

NGSS.MS-LS1-7

What is chemical digestion?

• The process of chewing food

• The breakdown of foods into their smaller chemical components

• The absorption of food molecules into the blood

• The elimination of waste from the body

Tags

NGSS.MS-LS1-7

NGSS.MS-PS1-2