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

Bulk of the tooth in mammals is made up of

Which of the following papillae are without taste buds in human tongue?

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

What is the dental formula of an adult human?

The given figure shows a cross-section of the alimentary canal. Identify the layers labeled $P$ and $Q$.