glossary of common forestry terminology . Click letter to advance to that section of the glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z . ACRE â Area of land containing 43,560 square feet. A square 1-acre plot measures 209 feet by 209 feet; a circular acre has a radius of 117.75 feet.
What Are the Lungs? Your lungs are organs in your chest that allow your body to take in oxygen from the air. They also help remove carbon dioxide (a waste gas that can be toxic) from your body. The lungs' intake of oxygen and removal of carbon dioxide is called gas exchange. Gas exchange is part of breathing.
Your lungs are a pair of large organs in your chest and are part of your respiratory system. When you breathe, air enters your body through your nose or mouth.It next passes through your windpipe (trachea) and through each bronchus, and finally goes into your lungs. When you breathe in, your lungs expand with air.our lungs are a pair of large organs in your chest and are part of your respiratory system. When you breathe, air enters your body through your nose or mouth.