The Urinary SystemThe Urinary System

By Robert, Jose, and Quinn.By Robert, Jose, and Quinn.

The KidneysThe Kidneys

The kidneys make The kidneys make sure that your blood sure that your blood has enough vitamins has enough vitamins and minerals.and minerals.

Each kidney has Each kidney has millions of urine-millions of urine-making units called making units called nephrons.nephrons.

The Kidneys cont. The nephrons clean

your blood in 45 minutes

Blood passes through the kidneys 300 times a day

If both kidneys fail, people can use a dialysis machine

The BladderThe Bladder The Bladder Holds the The Bladder Holds the

urine made by the urine made by the KidneysKidneys

The Bladder is the last The Bladder is the last part of the urinary part of the urinary systemsystem

The bottom of the The bottom of the bladder is called the bladder is called the urethra, where the urethra, where the wastes exit the body wastes exit the body

The Liver and the skinThe Liver and the skin There are two other types of There are two other types of

organs: the skin and the liverorgans: the skin and the liver

The skin sweats out some The skin sweats out some wastes wastes

The skin is the largest organ The skin is the largest organ in the urinary system in the urinary system because it covers the whole because it covers the whole bodybody

The Liver and skin cont.

The liver, like the kidneys,

Also cleans the blood for

it’s part in the system

The average liver cleans about 1.5 quarts per minute. That is about 540 gallons a day, or 13 million gallons a life time

ComparisonComparison

The Urinary System The Urinary System Gets rid of wastes, Gets rid of wastes, and cleans the bloodand cleans the bloodHas organs including Has organs including the liver, the urethra, the liver, the urethra, the urethers, the the urethers, the bladder, the kidneys, bladder, the kidneys, and the skin and the skin

The Circulatory The Circulatory SystemSystemSends the blood to Sends the blood to its next placeits next placeHas the heart, Has the heart, Veins, arteries, and Veins, arteries, and last, but not least, last, but not least, capillaries capillaries Provides blood for Provides blood for the whole bodythe whole body

Bibliography

WWW.KidsHealth.comWWW.KidsKonnect.com And our Science Books

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