NUTRITION

There are 4 systems involve Digestive, Respiratory, Circulatory and Excretory.

Digestive system

Process

break down the food and produce a mixture called=> Bolus

The bolus pass through the Pharynx and Oesophagus

Then reaches the stomach that produce gastric juices forming a thick mixture called =>Chyme

The Chyme reaches the small intestine which produce intestinal juices

Bile

Pancreatic Juice

Parts of the body involve

Mouth+ teeth + Salivary Glands

Pharynx

Oesophagus

Stomach

Small Intestin

Liver

Pancreas

Large intestine

Anus

Process

The air enter through the Nostrils

And travels through the passageways

Pharynx

Larynx

Trachea

NUTRIENTS

Carbohydrates

Found in: pulses, potato
es & cereals

Fats

Ex: Oil & butter

Proteins

Found in meat,
fish, eggs & pulses

Vitamins & Minerals

Found in fruit, vegetables and diary products

Water

transport nutrients & waste

Milky liquid called Chyle

Nutrients are absorbed
in the small intestine

The small intestine
Inside is cover
by finger-like
projections
called Villi

Undigested food turns into solid faces

Leave the body

Healthy Eating habits

Have a complete balanced
diet means to eat the right
amount of food from each
of the food groups

Fibre is also necessary

The air reaches the lungs

It's divided into two branches called Bronchi

Bronchi are subdivided again into branches called Bronchioles

Lead to the Air sacs