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Name the muscular floor of the chest cav...

Name the muscular floor of the chest cavity.

A

Rib cage

B

Lungs

C

Trachea

D

Diaphragm

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The correct Answer is:
**Step-by-Step Text Solution:** 1. **Understanding the Question**: The question asks for the name of the muscular floor of the chest cavity. 2. **Identifying the Chest Cavity**: The chest cavity contains important organs such as the heart and lungs. 3. **Role of the Muscular Floor**: This muscular floor separates the heart and lungs from the abdominal cavity. 4. **Analyzing the Options**: The options provided are rib cage, lungs, trachea, and diaphragm. 5. **Identifying the Correct Answer**: Among these options, the diaphragm is the structure that acts as the muscular floor of the chest cavity, separating it from the abdominal cavity. 6. **Conclusion**: Therefore, the correct answer to the question is the diaphragm. **Final Answer**: The muscular floor of the chest cavity is called the diaphragm. ---
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LAKHMIR SINGH & MANJIT KAUR-RESPIRATION IN ORGANISMS -EXERCISE
  1. What happens to your breathing rate when you : go to sleep ?

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  2. Name the skeletal structure aurrounding the chest cavity.

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  3. Name the muscular floor of the chest cavity.

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  4. Which contains more carbon dioxide : inhaled air or exhaled air ?

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  5. Which contains less oxygen : inhaled air or exhaled air ?

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  6. What are the percentages of oxygen and carbon dioxide : in inhaled ...

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  7. What are the percentages of oxygen and carbon dioxide : in exhaled a...

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  8. Name the breathing organs in the human body.

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  9. In the lungs : (a) what substance is taken into the body ? (b) wha...

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  10. In the lungs : (a) what substance is taken into the body ? (b) wha...

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  11. Which gases are exchanged in your lungs ?

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  12. Where does the blood absorb oxygen in the human body ?

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  13. Name the red pigment in blood which carries oxygen in the human body ?

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  14. Name the opening in our body through which we inhale air.

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  15. Name one bad habit which can cause lung cancer.

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  16. Which group of animals have spiracles and tracheae for breathing and r...

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  17. What is the average breathing rate of a human adult at rest ?

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  18. Name the air-tubes of insects.

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  19. Name the small openings (holes) on the sides of the body of an insect.

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  20. Name the tiny pores on the surface of leaves of a plant through which...

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