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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, ...
The document describes the process of breathing and how the lungs work. When inhaling, the diaphragm contracts and rib muscles pull up, causing air to fill the lungs by increasing the thoracic cavity volume and decreasing lung pressure.
I can describe how the human lungs are adapted to increase the amount of gas exchange. 1 Slide deck. 1 Worksheet. 2 Quizzes. 1 Video. 5. Cellular respiration. I can describe what cellular respiration is and explain why it happens in all living organisms all the time.
Just Breathe Activity – Lung Worksheet – Answers 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 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.
The respiratory system brings fresh air filled with oxygen through your nose and mouth, down your windpipe, and into your lungs. The lungs let the fresh air into your body and collect the used-up air and push it out of the body when you breathe out. Practice inhaling (breathing in) and exhaling (breathing out).
• the structure and functions of the gas exchange system in humans, including adaptations to function • the mechanism of breathing to move air in and out of the lungs, using a pressure model to explain the movement of gases, including simple measurements of lung volume • the impact of exercise, asthma and smoking on the
