The dental formula of an adult human is .......

The opening of the common bile duct is guarded by which sphincter?

The secretion of tooth enamel is performed by:

What do we call the type of teeth attachment to jaw bones in which each tooth is embedded in a socket of jaw bones?

The bony sockets of the jaws in which the teeth are implanted are known as

Kupffer cells of the liver help in . . . . . . .
$i$. Detoxification
$ii$. Synthesis of vitamin $A, D, K$ and $B_{12}$
$iii$. Emulsification of fats
$iv$. Deamination of amino acids
$v$. Phagocytosis