Absorption

The process by which the nutrients in food are passed into the bloodstream

Villi –

Finger-like projections that are responsible for the majority of absorption, which takes place in the small intestine

Excretion

the process of eliminating or expelling waste matter

Filtration

the action or process of filtering something

mixture

kidney

One of a pair of organs located in the right and left side of the abdomen. The kidneys remove waste

products from the blood and produce urine.

ureter

One of the two tubes that carry urine from the kidneys to the bladder.

bladder

A hollow organ in the lower abdomen that stores urine.

Urethra

The tube that leads from the bladder and transports and discharges urine outside the

body.

urethraurethra

bladder

ureter

kidney