Download - Human waste
Transcript
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 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