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31 Αυγ 2023 · Key facts about the breathing process; Mechanical components: Thoracic cage: sternum, 12 ribs, 12 thoracic vertebrae Inspiratory muscles (peaceful breathing): diaphragm, intercostal muscles
The Mechanism of Breathing 1. Label the parts of the human gas exchange system on the diagram below. 2. Draw one line from the name of each part to the corresponding part of the model. i 3. Describe what you observed when the rubber sheet was pulled down. i iiiiii 4.
17 Μαΐ 2021 · Liveworksheets transforms your traditional printable worksheets into self-correcting interactive exercises that the students can do online and send to the teacher.
During quiet breathing, the diaphragm and external intercostal muscles work at different extents, depending on the situation. For inspiration, the diaphragm contracts, causing the diaphragm to flatten and drop towards the abdominal cavity, helping to expand the thoracic cavity.
The Mechanism of Breathing 1. Label the parts of the human gas exchange system on the diagram below. 2. Name the part of the human gas exchange system represented by each part of the model. iiii balloon rubber sheet tube 3.
The Respiratory System Activity Sheet. 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.
Key learning points. 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.
