Biology · PYQ NEET UG 2023
हिन्दीOnce the undigested and unabsorbed substances enter the caecum, their backflow is prevented by-
Correct answer · Option 1
Ileo - caecal valve
Explanation
The ileo-caecal valve is present at the junction of ileum and caecum to prevent the backflow of faecal matter into the ileum.