The narrower distal end of the stomach is called:

Match the names of glands listed under column $-I$ with the location given under column $-II$, choose the answer which gives correct combination of the alphabets of the two columns.

Column $-I$ (Glands)	Column $-II$ (Location)
$(A)$ Crypts of Lieberkuhn	$(p)$ Loop of duodenum
$(B)$ Pancreas	$(q)$ Stomach
$(C)$ Adrenal gland	$(r)$ Intestine
$(D)$ Gastric gland	$(s)$ Kidney

Select the correct option:
$(1)$ The non-enzymatic digestive juice is Saliva / Bile.
$(2)$ The Caecum / Colon is a vestigial organ in humans.

In rabbits, the reverse flow of food from the stomach into the esophagus is prevented by:

The vermiform appendix is primarily composed of which type of tissue?

The total number of incisor teeth in a rabbit is ...... .