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Week 12
Respiratory system
| Question | Answer |
|---|---|
| What is the primary function of the respiratory system? | To distribute air and exchange gases ( oxygen and carbon dioxide) |
| why can't cells exchange gases directly with air? | Because most cells are too far from the air, so gases must travel through blood. |
| Which two systems work together to exchange gases in the body? | The respiratory system and the circulatory system. |
| What role do alveolar ducts play in the respiratory system? | They open into alveoli and serve as gas exchangers. |
| What are alveoli and what is their functions? | Alveoli are tiny air sacs in the lungs where gas exchange occurs. |
| Besides gas exchange, what are other functions of the respiratory system? | it filter, warms and humidifies air. |
| How does the respiratory system help with communication? | It helps produce sounds and enables speech. |
| What is the role of special sensonry epithellium in the respiratory tract? | It allows the sense of smell. |
| How does the respiratory system help maintain homeostasis? | It helps regulate the pH level in the body. |
| What part of thr rrspiratory systrem filters, warms, and humidfies air? | The upper respiratory tract ( including nasal cavity and pharynx) |
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