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Which of the following is the correct order of movement of food in the digestive tract?
Mouth - Stomach - Oesophagus
Mouth - Oesophagus - Stomach
Oesophagus - Stomach - Mouth
Oesophagus - Mouth - Stomach
Mouth - Oesophagus - Stomach
The human digestive system follows a specific sequence for the ingestion, processing, and transportation of food. The correct anatomical pathway for ingested food is from the mouth, through the oesophagus, and into the stomach.
The human digestive system follows a specific sequence for the ingestion, processing, and transportation of food. The correct anatomical pathway for ingested food is from the mouth, through the oesophagus, and into the stomach.
Think of it like a funnel system: you put food into the top (mouth), it travels down the pipe (oesophagus) and lands into the container (stomach) to be processed.
M-O-S: Mouth, Oesophagus, Stomach.
In the human body, the ingestion of food begins in the oral cavity (mouth) where mastication occurs. The food bolus is then pushed into the oesophagus by swallowing (deglutition). Peristaltic waves, which are rhythmic muscular contractions in the oesophagus, transport this bolus through the cardiac sphincter and into the stomach for chemical and mechanical digestion.
The digestive tract is a continuous muscular tube.
Peristalsis is the involuntary contraction and relaxation of the muscles of the oesophagus.
The stomach acts as a reservoir and site for initial protein digestion.
Clinical diagnosis of dysphagia (swallowing difficulties).
Understanding the site of action for anti-reflux medications.
The process starts with ingestion in the mouth.
Wrong options: Oesophagus precedes the stomach, so options placing them in reverse order are incorrect.
B is correct тАФ The correct physiological sequence of food movement is Mouth followed by Oesophagus and then the Stomach.
Always remember the basic anatomy of the GI tract: Mouth тЖТ Pharynx тЖТ Oesophagus тЖТ Stomach тЖТ Small Intestine тЖТ Large Intestine.
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