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Which of the following statements is correct?
- a)The contraction of internal intercostal muscles lifts up the ribs and sternum.
- b)The RBCs transport oxygen only.
- c)The thoracic cavity is anatomically an air tight chamber.
- d)Healthy man can inspire approximately 500 mL of air per minute.
Correct answer is option 'C'. Can you explain this answer?
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Which of the following statements is correct?a)The contraction of inte...
The thoracic cavity is anatomically an air tight chamber as ft consists of lungs that further consist of air sacs in which the air remains trapped. The contraction of the external intercostal muscles lifts up the ribs and sternum. RBCs transport both O2 and CO2. Healthy man can inspire or expire 6000 to 8000 mL of air per minute.
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Which of the following statements is correct?a)The contraction of inte...
The correct statement among the given options is option 'C' - The thoracic cavity is anatomically an air-tight chamber.
Explanation:
The thoracic cavity is a space in the chest region that is bounded by the ribs, sternum, and vertebral column. It houses important organs such as the heart and lungs.
Anatomically, the thoracic cavity is enclosed by the thoracic wall, which consists of the ribs, sternum, and thoracic vertebrae. These structures provide a protective barrier for the organs within the thoracic cavity.
The thoracic cavity is considered to be an air-tight chamber because it is separated from the abdominal cavity (located below the diaphragm) by a muscular sheet called the diaphragm. The diaphragm plays a crucial role in respiration by contracting and relaxing to facilitate the movement of air in and out of the lungs. When the diaphragm contracts, it moves downward and increases the volume of the thoracic cavity, allowing the lungs to expand and draw air in. Conversely, when the diaphragm relaxes, it moves upward and decreases the volume of the thoracic cavity, causing the air to be expelled from the lungs.
The air-tight nature of the thoracic cavity is essential for proper lung function. It ensures that the inhaled air enters and remains within the lungs, allowing for gas exchange to occur. If the thoracic cavity was not air-tight, air would leak out, and the lungs would not be able to maintain the necessary pressure gradient for efficient gas exchange.
In summary, the thoracic cavity is anatomically designed to be an air-tight chamber. This characteristic is crucial for the proper functioning of the respiratory system.
Explanation:
The thoracic cavity is a space in the chest region that is bounded by the ribs, sternum, and vertebral column. It houses important organs such as the heart and lungs.
Anatomically, the thoracic cavity is enclosed by the thoracic wall, which consists of the ribs, sternum, and thoracic vertebrae. These structures provide a protective barrier for the organs within the thoracic cavity.
The thoracic cavity is considered to be an air-tight chamber because it is separated from the abdominal cavity (located below the diaphragm) by a muscular sheet called the diaphragm. The diaphragm plays a crucial role in respiration by contracting and relaxing to facilitate the movement of air in and out of the lungs. When the diaphragm contracts, it moves downward and increases the volume of the thoracic cavity, allowing the lungs to expand and draw air in. Conversely, when the diaphragm relaxes, it moves upward and decreases the volume of the thoracic cavity, causing the air to be expelled from the lungs.
The air-tight nature of the thoracic cavity is essential for proper lung function. It ensures that the inhaled air enters and remains within the lungs, allowing for gas exchange to occur. If the thoracic cavity was not air-tight, air would leak out, and the lungs would not be able to maintain the necessary pressure gradient for efficient gas exchange.
In summary, the thoracic cavity is anatomically designed to be an air-tight chamber. This characteristic is crucial for the proper functioning of the respiratory system.
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Which of the following statements is correct?a)The contraction of internal intercostal muscles lifts up the ribs and sternum.b)The RBCs transport oxygen only.c)The thoracic cavity is anatomically an air tight chamber.d)Healthy man can inspire approximately 500 mL of air per minute.Correct answer is option 'C'. Can you explain this answer?
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Which of the following statements is correct?a)The contraction of internal intercostal muscles lifts up the ribs and sternum.b)The RBCs transport oxygen only.c)The thoracic cavity is anatomically an air tight chamber.d)Healthy man can inspire approximately 500 mL of air per minute.Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements is correct?a)The contraction of internal intercostal muscles lifts up the ribs and sternum.b)The RBCs transport oxygen only.c)The thoracic cavity is anatomically an air tight chamber.d)Healthy man can inspire approximately 500 mL of air per minute.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is correct?a)The contraction of internal intercostal muscles lifts up the ribs and sternum.b)The RBCs transport oxygen only.c)The thoracic cavity is anatomically an air tight chamber.d)Healthy man can inspire approximately 500 mL of air per minute.Correct answer is option 'C'. Can you explain this answer?.
Which of the following statements is correct?a)The contraction of internal intercostal muscles lifts up the ribs and sternum.b)The RBCs transport oxygen only.c)The thoracic cavity is anatomically an air tight chamber.d)Healthy man can inspire approximately 500 mL of air per minute.Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements is correct?a)The contraction of internal intercostal muscles lifts up the ribs and sternum.b)The RBCs transport oxygen only.c)The thoracic cavity is anatomically an air tight chamber.d)Healthy man can inspire approximately 500 mL of air per minute.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is correct?a)The contraction of internal intercostal muscles lifts up the ribs and sternum.b)The RBCs transport oxygen only.c)The thoracic cavity is anatomically an air tight chamber.d)Healthy man can inspire approximately 500 mL of air per minute.Correct answer is option 'C'. Can you explain this answer?.
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Which of the following statements is correct?a)The contraction of internal intercostal muscles lifts up the ribs and sternum.b)The RBCs transport oxygen only.c)The thoracic cavity is anatomically an air tight chamber.d)Healthy man can inspire approximately 500 mL of air per minute.Correct answer is option 'C'. Can you explain this answer?, a detailed solution for Which of the following statements is correct?a)The contraction of internal intercostal muscles lifts up the ribs and sternum.b)The RBCs transport oxygen only.c)The thoracic cavity is anatomically an air tight chamber.d)Healthy man can inspire approximately 500 mL of air per minute.Correct answer is option 'C'. Can you explain this answer? has been provided alongside types of Which of the following statements is correct?a)The contraction of internal intercostal muscles lifts up the ribs and sternum.b)The RBCs transport oxygen only.c)The thoracic cavity is anatomically an air tight chamber.d)Healthy man can inspire approximately 500 mL of air per minute.Correct answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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