Here are 10 One-Word Answer Type Questions from the topic How Do We Breathe? (from your provided PDF), with answers and explanations after each question as requested:
One-Word Answer Type Questions
Topic: How Do We Breathe?
1. Question: Through which organ does air enter the human body?
• Answer: Nose
• Explanation: Air enters the body through the nose during breathing.
2. Question: What is the tube that carries air from the nose to the lungs?
• Answer: Windpipe
• Explanation: The windpipe, also called trachea, carries air to the lungs.
3. Question: Name the organs where exchange of gases takes place.
• Answer: Lungs
• Explanation: Lungs are the main organs where oxygen is absorbed and carbon dioxide is released.
4. Question: What is the muscle below the lungs that helps in breathing?
• Answer: Diaphragm
• Explanation: The diaphragm contracts and relaxes to help in breathing.
5. Question: What is the process of taking air into the lungs called?
• Answer: Inhalation
• Explanation: Inhalation is the process of drawing air into the lungs.
6. Question: What is the process of releasing air from the lungs called?
• Answer: Exhalation
• Explanation: Exhalation is the process of pushing air out from the lungs.
7. Question: What are the small air sacs in the lungs called?
• Answer: Alveoli
• Explanation: Alveoli are tiny sacs in the lungs where the exchange of gases occurs.
8. Question: Which gas moves from alveoli into the blood?
• Answer: Oxygen
• Explanation: Oxygen from the inhaled air passes into the blood through alveoli.
9. Question: Which gas moves from blood into the alveoli?
• Answer: Carbon dioxide
• Explanation: Carbon dioxide from the blood moves into alveoli to be exhaled.
10. Question: What is the covering of the windpipe that prevents food from entering called?
• Answer: Epiglottis
• Explanation: The epiglottis closes the windpipe during swallowing to prevent food from entering.
If you want, I can now prepare the next set from the sub-topic What Do We Breathe Out? in the same one-word format.
Shall I proceed?