Select the correct sequence of organs in the alimentary canal of cockr...
The correct sequence of organs in the alimentary canal of cockroach starting from mouth is :
Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum
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Select the correct sequence of organs in the alimentary canal of cockr...
Correct Sequence of Organs in the Alimentary Canal of Cockroach
The alimentary canal of the cockroach is a complex structure designed for efficient digestion and absorption of nutrients. Here’s the correct sequence:
Mouth
- The journey begins at the mouth, where food is ingested.
Pharynx
- The food then moves to the pharynx, which acts as a passageway for food to enter the esophagus.
Oesophagus
- After the pharynx, the food passes into the oesophagus, a tubular structure that transports food to the crop.
Crop
- The crop serves as a storage area where food can be held temporarily before further digestion.
Gizzard
- Next, the food moves to the gizzard, which grinds the food into smaller particles, aiding in digestion.
Ileum
- The ground food then enters the ileum, where absorption of nutrients occurs.
Colon
- After the ileum, the remaining undigested material passes into the colon, which absorbs water and prepares waste for excretion.
Rectum
- Finally, the waste material enters the rectum, from which it is excreted out of the body.
Conclusion
- The correct sequence of the alimentary canal is crucial for the proper digestion and absorption processes.
Thus, the correct answer is option 'A': Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum.
Select the correct sequence of organs in the alimentary canal of cockr...
A...correct sequence of cockroach alimentary canal.
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