Excretory+System

Excretory System:

Your project must contain:

- a life-sized, colored illustration of your organ system with labels

- at least three pictures of your organ system

- a bibliography/list of sources used

- 8 x 10 poster annotations of assigned information below

1. Describe and discuss the importance of excretion. 2. Describe the role of the skin, kidneys, lungs and liver in the excretory process. 3. Describe the structure of the kidneys and how the associative structures (the ureters, the urethra and bladder) work together to excrete urine. 4. Describe the structure and functioning of the basic unit of the kidney, the nephron. Include the processes of filtration and reabsorption. 5. Discuss the role of the circulatory system in the work of the kidneys. 6. Describe one disorder which results in kidney failure. 7. Anything else you think we should know.

Vocabulary to be included: excretion, kidney, filtration, reabsorption, urethra, urine, bladder, aorta, adrenal glands, sweat glands, carbon dioxide

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