Final answer:
The excretory system eliminates waste products from the body and helps maintain homeostasis. Its main organs include the kidneys, ureters, bladder, and urethra. It also maintains acid-base balance, regulates blood pressure, and removes drugs and toxins from the body.
Step-by-step explanation:
Lesson Note on Excretory System
The excretory system is responsible for eliminating waste products from the body. It helps maintain homeostasis by getting rid of harmful materials and balancing fluids and electrolytes. The main organs of the excretory system include the kidneys, ureters, bladder, and urethra.
Kidneys: They filter the blood and remove waste products, excess water, and electrolytes to form urine.
Ureters: Tubes that transport urine from the kidneys to the bladder.
Bladder: Stores urine until it is released from the body.
Urethra: A tube that carries urine from the bladder to the outside of the body.
The excretory system also helps maintain acid-base balance, regulate blood pressure, and remove drugs and toxins from the body. Furthermore, it plays a role in water and salt balance, as well as pH regulation.
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