HUMAN WASTE

DONE BY: DARREN CHONG MYP 9

WHAT ARE HUMAN WASTES???

Waste product

Feces

Urine

Sweat

WHAT IS FECES???

A waste

Known as ‘stool’

Intestine

Poop

HOW CAN FECES BE USEFUL???

Fertilizer

Energy

Coal and gas

WHAT DISADVANTAGES WILL IT GIVE IF IT ISN’T USE AGAIN???

Pollute: Land

Water

Disease

WHAT IS URINE???

A liquid waste

Kidneys

Through the urethra

Acidic (PH4.4-7)

HOW CAN URINE BE USEFUL??

Algae grow- nitrogen, potassium, phosphorus

Skin

Clothing- iodine, tannic acid

WHAT ARE SWEATS?

Liquid

Cool

Glands

Arm, Palm And Feet

HOW CAN SWEAT BE USEFUL?

Cool down

Drugs

THANK YOU FOR YOUR AT TENTION: )