IGCSE Nutrition

The process where the body breaks down food into small nutrient molecules is (a)   .

When food is physically broken down into smaller pieces by tearing, slicing, churning and mixing.

• Digestion

• Mechanical Digestion

• Chemical Digestion

• Saliva

Breaks down food by both mechanical and chemical digestion.

• Feet

• Nose

• Mouth

• Hands

Chemicals produced by the body that break down food into very small pieces.

• Mechanical digestion

• Indigestion

• Chemical digestion

• Photosynthesis

(a)   in your mouth helps to break down food.

• Tongue
• Saliva
• mucus
• tonsils

Small flap of tissue that closes off your windpipe to prevent food from entering your lungs.

• Flippity flap

• Tonsils

• Trachea

• Epiglottis

Long muscular tube that connects the mouth to the stomach is (a)   .

• Small intestine
• Large intestine
• Epiglottis
• Esophagus

Waves of muscle contractions that push food toward the stomach.

• Peristalsis

• Frequency

• Hertz

• Wave length

J-shaped organ located in the middle of the abdomen.

• Small Intestine

• Large Intestine

• Liver

• Stomach

Which type of food is not digested before being absorbed by the body?

• A

• B

• C

• D