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Each adult lung is about the size of a football. When they are healthy, your lungs feel a little like a sponge and are pinkish-gray. When lungs are damaged by smoking, they can appear gray or have black spots on them. One disease that is very common in children involves the lungs. Asthma narrows the breathing tubes, making it harder to breathe.
1. The lungs are the main organs of the respiratory system. When you breathe in, you take in _________________________ from the air. 2. When you breathe out, you get rid of ___________________________________________. 3. The long tube by which air is carried to and from the lungs is called the trachea, ...
lungs. Adenosine triphosphate (ATP), produced by cellular respiration, provides the energy for the body to perform many functions, including nerve conduction and muscle contraction. Lack of oxygen affects brain function, sense of judgment, and a host of other problems. Gas Exchange
The lungs flank the heart and great vessels in the chest cavity. (Source: Gray's Anatomy of the Human Body, 20th ed. 1918.) Functions In this chaper we will discuss the four processes of respiration. They are: 1. BREATHING or ventilation 2. EXTERNAL RESPIRATION, which is the exchange of gases (oxygen and carbon dioxide) between inhaled air and ...
This lesson plan on the human lungs is perfect for teaching students about how these important organs function within the body. Students will learn about the anatomy of the lungs, how they work to take in oxygen and release carbon dioxide, and the importance of keeping them healthy.
1. Describe what happens when you inhale (when you pull down on the bottom balloon in your model). The balloons (your lungs) inflate, take in more air, or get bigger. Technical Explanation: During inhalation, the diaphragm contracts downward, and rib muscles pull upward, causing air to fill the lungs.
The structures and functions of the gas exchange system in humans. The mechanism of breathing, including the role of muscles, to move air in and out of the lungs. A pressure model to explain the movement of gases during breathing.
