Excretion Ppt

What is Excretion? ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],What is Excretion? (contd)

Why do we need to excrete Ammonia? ,[object Object],[object Object],[object Object]

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Removing Nitrogenous Waste Products ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Mystery behind Bird Poop ,[object Object],[object Object],[object Object]

Human Excretion Where does excretion occur in humans? Like other animals humans have a system that excretes Nitrogen wastes as Urea, salt, and water Urinary System : Kidneys, ureter, urethra, and bladder Kidneys (located in back) play important role in homeostasis – - remove waste products from blood - maintain blood pH - control water content of blood

How The Kidneys Work ,[object Object],[object Object],[object Object],[object Object],[object Object]

Nephrons: How the Body makes Urine ,[object Object],[object Object]

The Nephron ,[object Object],[object Object],[object Object],[object Object],Blood filters through the kidneys about 6 times a day. 99% of the water is reabsorbed and not excreted

What kinds of animals have the most efficient kidneys? ,[object Object],[object Object]

Kidney Failure ,[object Object],[object Object],[object Object]

Gout Is a disease where the human body accumulates Uric acid in the joints. Heredity, alcohol & kidney failure lead to this problem.

Excretion Ppt

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Excretion Ppt