👉 Quadriseptate is a type of structure that occurs in some animals, including humans. It's a type of organ found in the lungs, and it helps to carry oxygen from the air into the bloodstream. The quadriseptate consists of three separate structures: 1. The trachea (windpipe): This is the main way air goes into the lungs. 2. The bronchioles: These are small tubes that help to filter out gases that come from the blood and move
