Class 7 Exam > Class 7 Questions > Peristalsis is theA: Slow movement of foodB: ...
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Peristalsis is the
A: Slow movement of food
B: Contraction and expansion of muscles of oesophagus
C: Downward movement of digested food
D: Assimilation of food
Correct answer is 'B'. Can you explain this answer?
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Peristalsis is theA: Slow movement of foodB: Contraction and expansion...
Peristalsis is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract. The process of peristalsis begins in the oesophagus when a bolus of food is swallowed. The strong wave-like motions of the smooth muscle in the oesophagus carry the food to the stomach, where it is churned into a liquid mixture called chyme.
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Peristalsis is theA: Slow movement of foodB: Contraction and expansion...
Peristalsis in the Oesophagus
Peristalsis is the process of contraction and expansion of the muscles in the oesophagus that helps in the movement of food from the mouth to the stomach. It is a rhythmic movement that occurs automatically and is controlled by the nervous system.
Contraction and Expansion of Muscles
During peristalsis, the muscles in the oesophagus contract and push the food downwards towards the stomach. The contraction of the muscles is followed by their relaxation, which allows the food to move forward. This process repeats until the food reaches the stomach.
Mechanism of Peristalsis
The process of peristalsis is initiated when the food is swallowed. The tongue pushes the food towards the back of the mouth, and the muscles in the oesophagus start contracting. These contractions are controlled by the nervous system and occur in a coordinated manner, pushing the food towards the stomach.
Importance of Peristalsis
Peristalsis is an important process in the digestive system as it helps in the movement of food from the mouth to the stomach. Without peristalsis, the food would not be able to reach the stomach, and digestion would not occur. Therefore, peristalsis plays a crucial role in the digestion and absorption of nutrients from the food.
In conclusion, peristalsis is the contraction and expansion of the muscles in the oesophagus that helps in the movement of food from the mouth to the stomach. It is an important process in the digestive system and is essential for the digestion and absorption of nutrients from the food.
Peristalsis is the process of contraction and expansion of the muscles in the oesophagus that helps in the movement of food from the mouth to the stomach. It is a rhythmic movement that occurs automatically and is controlled by the nervous system.
Contraction and Expansion of Muscles
During peristalsis, the muscles in the oesophagus contract and push the food downwards towards the stomach. The contraction of the muscles is followed by their relaxation, which allows the food to move forward. This process repeats until the food reaches the stomach.
Mechanism of Peristalsis
The process of peristalsis is initiated when the food is swallowed. The tongue pushes the food towards the back of the mouth, and the muscles in the oesophagus start contracting. These contractions are controlled by the nervous system and occur in a coordinated manner, pushing the food towards the stomach.
Importance of Peristalsis
Peristalsis is an important process in the digestive system as it helps in the movement of food from the mouth to the stomach. Without peristalsis, the food would not be able to reach the stomach, and digestion would not occur. Therefore, peristalsis plays a crucial role in the digestion and absorption of nutrients from the food.
In conclusion, peristalsis is the contraction and expansion of the muscles in the oesophagus that helps in the movement of food from the mouth to the stomach. It is an important process in the digestive system and is essential for the digestion and absorption of nutrients from the food.
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Peristalsis is theA: Slow movement of foodB: Contraction and expansion...
It is because when we swallow the food contracts and relaxes so it is called peristalsis.
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Peristalsis is theA: Slow movement of foodB: Contraction and expansion of muscles of oesophagusC: Downward movement of digested foodD: Assimilation of foodCorrect answer is 'B'. Can you explain this answer?
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Peristalsis is theA: Slow movement of foodB: Contraction and expansion of muscles of oesophagusC: Downward movement of digested foodD: Assimilation of foodCorrect answer is 'B'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about Peristalsis is theA: Slow movement of foodB: Contraction and expansion of muscles of oesophagusC: Downward movement of digested foodD: Assimilation of foodCorrect answer is 'B'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Peristalsis is theA: Slow movement of foodB: Contraction and expansion of muscles of oesophagusC: Downward movement of digested foodD: Assimilation of foodCorrect answer is 'B'. Can you explain this answer?.
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