Excretory system
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Excretory System. Porifera. Excretion is regulated by. diffusion. Chordata Two Major Organs. Kidney. Liver. Kidneys All Classes! (Fishes, Amphibians, Reptiles, Aves, Mammals). Kidneys. Functions : -excrete waste products -regulate water and salt balance

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Excretory System

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Excretory system

Excretory System


Porifera

Porifera

Excretion is regulated by

diffusion


Chordata two major organs

ChordataTwo Major Organs

Kidney

Liver


Excretory system

Kidneys

All Classes!

(Fishes, Amphibians, Reptiles, Aves, Mammals)


Excretory system

Kidneys

Functions:

-excrete waste products

-regulate water and salt balance

Kidneys do this by filtering blood and producing urine.

Excretion


Excretory system

Kidneys

Kidney’s filter your blood continuously.

They filter your entire blood supply (5 liters) approximately

400

times a day!


Excretory system

Liver

1 Class

(Mammals)

Functions:

-detoxify the blood

The liver does this with enzymes that chemically alter many substances, such as alcohol, before the blood reaches other body parts.


Other

Invertebrates

Other


Excretory system

Kidneys

and a liver

All excretory system lack


Excretory system

Homeostasis?


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