Respiratory System Worksheet - Match the structure to the number in the diagram.
Diagram of the human respiratory system showing labeled parts including the nose, throat, trachea, lungs, bronchi, and alveoli.
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Step-by-step solution for: Solved Respiratory System Worksheet Match the structure to | Chegg.com
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Show Answer Key & Explanations
Step-by-step solution for: Solved Respiratory System Worksheet Match the structure to | Chegg.com
The image provided is a diagram of the human respiratory system, and the task is to match the labeled structures with their names and functions. Below is the solution with explanations for each numbered part:
1. Nose (or Nasal Cavity)
- Function: Filters, warms, and humidifies incoming air; serves as an entry point for air into the respiratory tract.
2. Pharynx (Throat)
- Function: Serves as a common passageway for both air and food; helps in swallowing and vocalization.
3. Epiglottis
- Function: A flap of tissue that covers the trachea during swallowing to prevent food from entering the airway.
4. Trachea (Windpipe)
- Function: Transports air between the larynx and bronchi; lined with cilia and mucus to trap dust and debris.
5. Bronchus (Plural: Bronchi)
- Function: Divides the airway into the left and right lungs, delivering air to the bronchioles.
6. Diaphragm
- Function: A dome-shaped muscle that contracts and relaxes to facilitate breathing by changing the volume of the thoracic cavity.
7. Larynx (Voice Box)
- Function: Contains the vocal cords, which produce sound; also protects the trachea during swallowing.
8. Bronchiole
- Function: Smaller branches of the bronchi that further divide within the lungs, leading to alveoli.
9. Alveolus (Plural: Alveoli)
- Function: Tiny air sacs where gas exchange occurs between the lungs and bloodstream.
10. Capillary Network
- Function: Microscopic blood vessels surrounding the alveoli, facilitating the exchange of oxygen and carbon dioxide.
11. Blood Vessel
- Function: Carries oxygenated blood away from the lungs and deoxygenated blood to the lungs for gas exchange.
| Number | Structure | Function |
|--------|--------------------|--------------------------------------------------------------------------|
| 1 | Nose | Filters, warms, and humidifies air; entry point for air. |
| 2 | Pharynx | Common passageway for air and food; involved in swallowing and vocalization. |
| 3 | Epiglottis | Covers the trachea during swallowing to prevent food from entering the airway. |
| 4 | Trachea | Transports air between the larynx and bronchi; lined with cilia and mucus. |
| 5 | Bronchus | Divides the airway into the left and right lungs, delivering air to bronchioles. |
| 6 | Diaphragm | Facilitates breathing by contracting and relaxing to change thoracic cavity volume. |
| 7 | Larynx | Contains vocal cords for sound production; protects the trachea during swallowing. |
| 8 | Bronchiole | Smaller branches of bronchi that lead to alveoli. |
| 9 | Alveolus | Tiny air sacs where gas exchange occurs between lungs and bloodstream. |
| 10 | Capillary Network | Microscopic blood vessels surrounding alveoli for gas exchange. |
| 11 | Blood Vessel | Carries oxygenated blood away from lungs and deoxygenated blood to lungs. |
Each structure in the respiratory system plays a critical role in the process of breathing and gas exchange. The nose, pharynx, larynx, trachea, and bronchi form the conducting zone, which transports air to and from the lungs. The bronchioles and alveoli form the respiratory zone, where the actual exchange of oxygen and carbon dioxide occurs. The diaphragm is essential for the mechanics of breathing, while the capillaries and blood vessels ensure the transport of gases throughout the body.
This completes the matching and explanation for the given diagram. If you have any further questions, feel free to ask!
Diagram Labels and Corresponding Structures:
1. Nose (or Nasal Cavity)
- Function: Filters, warms, and humidifies incoming air; serves as an entry point for air into the respiratory tract.
2. Pharynx (Throat)
- Function: Serves as a common passageway for both air and food; helps in swallowing and vocalization.
3. Epiglottis
- Function: A flap of tissue that covers the trachea during swallowing to prevent food from entering the airway.
4. Trachea (Windpipe)
- Function: Transports air between the larynx and bronchi; lined with cilia and mucus to trap dust and debris.
5. Bronchus (Plural: Bronchi)
- Function: Divides the airway into the left and right lungs, delivering air to the bronchioles.
6. Diaphragm
- Function: A dome-shaped muscle that contracts and relaxes to facilitate breathing by changing the volume of the thoracic cavity.
7. Larynx (Voice Box)
- Function: Contains the vocal cords, which produce sound; also protects the trachea during swallowing.
8. Bronchiole
- Function: Smaller branches of the bronchi that further divide within the lungs, leading to alveoli.
9. Alveolus (Plural: Alveoli)
- Function: Tiny air sacs where gas exchange occurs between the lungs and bloodstream.
10. Capillary Network
- Function: Microscopic blood vessels surrounding the alveoli, facilitating the exchange of oxygen and carbon dioxide.
11. Blood Vessel
- Function: Carries oxygenated blood away from the lungs and deoxygenated blood to the lungs for gas exchange.
Summary Table:
| Number | Structure | Function |
|--------|--------------------|--------------------------------------------------------------------------|
| 1 | Nose | Filters, warms, and humidifies air; entry point for air. |
| 2 | Pharynx | Common passageway for air and food; involved in swallowing and vocalization. |
| 3 | Epiglottis | Covers the trachea during swallowing to prevent food from entering the airway. |
| 4 | Trachea | Transports air between the larynx and bronchi; lined with cilia and mucus. |
| 5 | Bronchus | Divides the airway into the left and right lungs, delivering air to bronchioles. |
| 6 | Diaphragm | Facilitates breathing by contracting and relaxing to change thoracic cavity volume. |
| 7 | Larynx | Contains vocal cords for sound production; protects the trachea during swallowing. |
| 8 | Bronchiole | Smaller branches of bronchi that lead to alveoli. |
| 9 | Alveolus | Tiny air sacs where gas exchange occurs between lungs and bloodstream. |
| 10 | Capillary Network | Microscopic blood vessels surrounding alveoli for gas exchange. |
| 11 | Blood Vessel | Carries oxygenated blood away from lungs and deoxygenated blood to lungs. |
Explanation:
Each structure in the respiratory system plays a critical role in the process of breathing and gas exchange. The nose, pharynx, larynx, trachea, and bronchi form the conducting zone, which transports air to and from the lungs. The bronchioles and alveoli form the respiratory zone, where the actual exchange of oxygen and carbon dioxide occurs. The diaphragm is essential for the mechanics of breathing, while the capillaries and blood vessels ensure the transport of gases throughout the body.
This completes the matching and explanation for the given diagram. If you have any further questions, feel free to ask!
Parent Tip: Review the logic above to help your child master the concept of respiratory system worksheet answer key.
