The function of nutrition is essential to

life.

Nutrients give our body the energy they

need

The digestive system the respiratory

system, the circulatory system , and the

excretory system carry out the function

of nutrition

the digestive system transforms food into

nutrientns.

Food goes through digestive tract

is made up of the mouth

, pharynx, oesophagus, stomach, small

intestine, large intestine

Salivary glands release chemicals into

the digestion

The respiratory system is in charge of

breathing ,it have two movements inhale

exhale

The excretory filters waste

substances from the blood the

body through excretion

They removes waste substances from the

blood and make sweat

Is make up of the kidneys and the urinary tract

Kidneys removes waste substances from the blood and they make urine

Digestive tract

Ureters transport urine to the bladder

Bladder stores urine

Urethra connects the bladder to the outside

The circulatory system transport nutrients

and oxygen to our cells. Is made up of

blood heart and blood vessels

Is a red liquid tissue made up of cells that

float in liquid called plasma

Is a muscular organ that pumps the

blood around the body.

Human circulation is closed and doble

Closed in mammals the heart has a

heart septum that separates the heart in

two halfs

Double it have two routes pulmonary

circulation and systemic circulation.