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How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?
- a)Through gravity alone
- b)By enzyme action in the food pipe
- c)By peristalsis, a series of muscle contractions
- d)By absorbing nutrients during the journey
Correct answer is option 'C'. Can you explain this answer?
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How does the food pipe (oesophagus) facilitate the movement of food fr...
The food pipe (oesophagus) facilitates the movement of food from the mouth to the stomach through a process called peristalsis. Peristalsis is a series of coordinated muscle contractions that push the food down the esophagus toward the stomach. This mechanism ensures that food is transported efficiently and does not rely on gravity alone.
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How does the food pipe (oesophagus) facilitate the movement of food fr...
Peristalsis in the Food Pipe (Oesophagus)
Peristalsis is the mechanism that aids in the movement of food from the mouth to the stomach through the food pipe (oesophagus). This process involves a series of muscle contractions that help push the food bolus downwards towards the stomach.
How Peristalsis Works
- When we swallow food, it enters the oesophagus through the throat.
- The muscles in the walls of the oesophagus contract and relax in a coordinated manner to create a wave-like motion.
- This wave-like motion, known as peristalsis, propels the food bolus downwards towards the stomach.
- The muscles behind the food bolus contract to push it forward, while the muscles ahead of the bolus relax to allow for its passage.
Role of Gravity
While gravity can assist in the movement of food from the mouth to the oesophagus, peristalsis is the primary mechanism responsible for this process. Gravity alone may not be sufficient to move the food bolus efficiently through the oesophagus, especially when eating in different positions or when lying down.
Conclusion
In conclusion, peristalsis is the key mechanism that facilitates the movement of food from the mouth to the stomach through the food pipe (oesophagus). This coordinated muscle contraction and relaxation ensure that food is transported efficiently and effectively for digestion and absorption of nutrients.
Peristalsis is the mechanism that aids in the movement of food from the mouth to the stomach through the food pipe (oesophagus). This process involves a series of muscle contractions that help push the food bolus downwards towards the stomach.
How Peristalsis Works
- When we swallow food, it enters the oesophagus through the throat.
- The muscles in the walls of the oesophagus contract and relax in a coordinated manner to create a wave-like motion.
- This wave-like motion, known as peristalsis, propels the food bolus downwards towards the stomach.
- The muscles behind the food bolus contract to push it forward, while the muscles ahead of the bolus relax to allow for its passage.
Role of Gravity
While gravity can assist in the movement of food from the mouth to the oesophagus, peristalsis is the primary mechanism responsible for this process. Gravity alone may not be sufficient to move the food bolus efficiently through the oesophagus, especially when eating in different positions or when lying down.
Conclusion
In conclusion, peristalsis is the key mechanism that facilitates the movement of food from the mouth to the stomach through the food pipe (oesophagus). This coordinated muscle contraction and relaxation ensure that food is transported efficiently and effectively for digestion and absorption of nutrients.
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How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?a)Through gravity aloneb)By enzyme action in the food pipec)By peristalsis, a series of muscle contractionsd)By absorbing nutrients during the journeyCorrect answer is option 'C'. Can you explain this answer?
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How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?a)Through gravity aloneb)By enzyme action in the food pipec)By peristalsis, a series of muscle contractionsd)By absorbing nutrients during the journeyCorrect answer is option 'C'. Can you explain this answer? for Class 4 2024 is part of Class 4 preparation. The Question and answers have been prepared according to the Class 4 exam syllabus. Information about How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?a)Through gravity aloneb)By enzyme action in the food pipec)By peristalsis, a series of muscle contractionsd)By absorbing nutrients during the journeyCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 4 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?a)Through gravity aloneb)By enzyme action in the food pipec)By peristalsis, a series of muscle contractionsd)By absorbing nutrients during the journeyCorrect answer is option 'C'. Can you explain this answer?.
How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?a)Through gravity aloneb)By enzyme action in the food pipec)By peristalsis, a series of muscle contractionsd)By absorbing nutrients during the journeyCorrect answer is option 'C'. Can you explain this answer? for Class 4 2024 is part of Class 4 preparation. The Question and answers have been prepared according to the Class 4 exam syllabus. Information about How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?a)Through gravity aloneb)By enzyme action in the food pipec)By peristalsis, a series of muscle contractionsd)By absorbing nutrients during the journeyCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 4 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?a)Through gravity aloneb)By enzyme action in the food pipec)By peristalsis, a series of muscle contractionsd)By absorbing nutrients during the journeyCorrect answer is option 'C'. Can you explain this answer?.
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How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?a)Through gravity aloneb)By enzyme action in the food pipec)By peristalsis, a series of muscle contractionsd)By absorbing nutrients during the journeyCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?a)Through gravity aloneb)By enzyme action in the food pipec)By peristalsis, a series of muscle contractionsd)By absorbing nutrients during the journeyCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of How does the food pipe (oesophagus) facilitate the movement of food from the mouth to the stomach, and what mechanism aids this process?a)Through gravity aloneb)By enzyme action in the food pipec)By peristalsis, a series of muscle contractionsd)By absorbing nutrients during the journeyCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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