In human beings, the $ \text{stomach} $ of the digestive system gives the feeling of satiety.

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

$A$ unique vascular connection between the digestive tract and liver is called

Ontogenetically,the liver and pancreas develop from which germinal layer during embryonic development?

Explain the thecodont and diphyodont type of dental arrangement.

Identify the parts $A$ and $B$ from the given cross-sectional diagram of the alimentary canal.