A measure of the amount of energy in food.

• Calorie

• Nutrient

• Digestion

Tags

NGSS.MS-LS1-7

A part of food used by the body to grow and survive.

• Calorie

• Nutrient

• Digestion

Tags

NGSS.MS-LS1-7

NGSS.MS-LS2-3

The breakdown of food into smaller pieces so that your body can absorb and use it.

• Calorie

• Nutrient

• Digestion

A process in which food is physically broken into smaller pieces.

• Mechanical Digestion

• Chemical Digestion

• Esophagus

A process in which chemical reactions break down pieces of food into small molecules.

• Mechanical Digestion

• Chemical Digestion

• Esophagus

A muscular tube that connects the mouth to the stomach.

• Mechanical Digestion

• Chemical Digestion

• Esophagus

Waves of muscle contractions that move food through the digestive tract.

• Peristalsis

• Villi

• Excretory System

Fingerlike projections, inside the folds of the small intestine.

• Peristalsis

• Villi

• Excretory System

The system that gets rid of (excretes) wastes from the body.

• Peristalsis

• Villi

• Excretory System

Bean-shaped organs that filter, or remove, waste from blood.

• Peristalsis

• Villi

• Kidneys