Examlex
The trachea and all of the respiratory passages are collectively called the ____________________.
Tubular Secretion
Movement of certain molecules from blood into the distal convoluted tubule of a nephron so that they are added to urine.
Distal Convoluted Tubule
Final portion of a nephron that joins with a collecting duct; associated with tubular secretion.
Active Transport
The movement of molecules across a cell membrane from an area of lower concentration to one of higher concentration, requiring energy.
Excretory System
A biological system that removes excess, unnecessary materials from an organism, allowing it to maintain homeostasis and prevent damage to its body.
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