Excretory+System

•HOW LONG ARE YOUR INTESTINES? At least 25 feet in an adult. Be glad you're not a full-grown horse -- their coiled-up intestines are 89 feet long! •Chewing food takes from 5-30 seconds •Swallowing takes about 10 seconds •Food sloshing in the stomach can last 3-4 hours •It takes 3 hours for food to move through the intestine •Food drying up and hanging out in the large intestine can last 18 hours to 2 days! •Americans eat about 700 million pounds of peanut butter. •Americans eat over 2 billion pounds of chocolate a year. •In your lifetime, your digestive system may handle about 50 tons!!

Things you need to know.... ..

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· The job of the excretory system is to take waste out of the body.

· The kidneys are the most important part of this system.

· The other organs that rid the body of waste are the liver, skin, lungs, and large intestines.

· The kidneys are reddish-brown organs about 4 inches long.

· The kidneys pull liquid waste from your body.

· Your body’s liquid waste is called urine.

· Urine is stored in the bladder, until it leaves the body.

Bladder – stores urine

Liver –takes out waste that is floating in the blood

Pores- tiny holes in the skin, that allows sweat to exit the body

Kidneys – main part of the excretory system

Large intestines – part of the digestive system that rids the body of undigested food

Urine – liquid waste that is stored in the body.

[|Urinary System Diagram]