How Respiration Works Science-9 PDF
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This document covers the human respiratory system, discussing its components and functions. It also includes multiple-choice and short-answer questions related to the topic.
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WHY DO WE SNEEZE?? What organ system does the nose belong to? Digestive System Integumentary System circulatory nervous System System urinary System respiratory System 1. Distinguish the between breathing and respiration; 2. Identify the parts and functi...
WHY DO WE SNEEZE?? What organ system does the nose belong to? Digestive System Integumentary System circulatory nervous System System urinary System respiratory System 1. Distinguish the between breathing and respiration; 2. Identify the parts and functions of the respiratory system; 3. Discuss the respiration process in humans; 4. Appreciate the role of the respiratory system. ❖ 1.External Respiration 2.Internal Respiration 3.Cellular Respiration INTERNAL RESPIRATION CELLULAR RESPIRATION The main organs of the human respiratory system are the LUNGS. The human respiratory system includes many different organs that work together for gas exchange to take place. We have the conducting portion and respiratory portion. serves as the entry and exit points of the air that we inhale and exhale mostly the parts located within the lungs Nose Pharynx Larynx Trachea Bronchi Bronchioles Alveolar Ducts Alveolar Sacs Alveoli
