Gill
This knowledge is used in careers such as:
Teacher (Teaches Students) ~$55,000 - $95,000 - Number of jobs: 4,700,000 (324,500 Openings Per Year) +2% Growth
Doctor (Diagnoses and Treats Patients) ~$200,000 - $350,000 - Number of jobs: 840,000 (24,000 Openings Per Year) +3% Growth
Healthcare Tech (Administers Medical Tests & Procedures) ~$55,000 - $80,000 - Number of jobs: 270,000 (15,400 Openings Per Year) +5% Growth
Registered Nurse (Manages Patient Care) ~$65,000 - $100,000 - Number of jobs: 3,400,000 (189,000 Openings Per Year) +5% Growth
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Example:
Imagine standing in a crowded room where the only window is slightly ajar, and you're trying to get a breath of fresh air. Just like you maneuver to catch a breeze, fish use gills to efficiently extract oxygen from water. In this analogy, the crowded room is the dense water environment, the small window is the gill, and the fresh air represents the oxygen; gills allow fish to "breathe" by filtering out the oxygen they need from the water around them, much like finding that small opening to breathe in a stifling room.

Practice Version

Gill: The breathing organ of aquatic animals gill. Gills are structures in fish and some aquatic animals that extract oxygen from water.