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Determine the correct sequence of the pr...

Determine the correct sequence of the process of nutrition in a human being .
A. Mastication of food and formation of bolus
B. Production of chyme
C. Deglutition
D. Passage of unabsorbed ‌, undigested substances to the caecum
E. Digestion in the most coiled part of alimentary canal

A

A,C,E,B,D

B

A,E,C,B,D

C

A,C,B,E,D

D

A,B,C,E,D

Text Solution

AI Generated Solution

The correct Answer is:
To determine the correct sequence of the process of nutrition in a human being, we can break down the steps as follows: 1. **Mastication of food and formation of bolus (A)**: The process begins in the oral cavity where food is chewed (mastication) using teeth and mixed with saliva. This results in the formation of a bolus, which is a soft mass of food that is ready to be swallowed. 2. **Deglutition (C)**: After the bolus is formed, it is swallowed through a process known as deglutition. This involves moving the bolus from the mouth to the pharynx and then into the esophagus. The initial phase of swallowing is voluntary, but once the bolus enters the esophagus, the process becomes involuntary. 3. **Production of chyme (B)**: The bolus then travels down the esophagus and enters the stomach. In the stomach, the bolus is mixed with gastric juices, leading to the formation of chyme, which is a semi-liquid mixture of partially digested food and digestive juices. 4. **Digestion in the most coiled part of the alimentary canal (E)**: The chyme then moves into the small intestine, specifically the duodenum, where further digestion occurs. This is where most nutrients are absorbed, and the remaining starches and proteins are broken down. 5. **Passage of unabsorbed, undigested substances to the caecum (D)**: Finally, any unabsorbed and undigested substances move into the large intestine, specifically to the caecum, where they will eventually be excreted. Putting these steps together, the correct sequence is: **A → C → B → E → D**. Thus, the answer is option 3.
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