The toxic substances are detoxified in the human body by:

$A$: Aptyalism patients have higher than normal incidences of dental caries.
$R$: Aptyalism is caused by the action of the parasympathetic nervous system.

The duct arising from the parotid gland and opening into the vestibule is known as:

Where are the parotid glands located?

Describe in short about salivary glands,their location,and types.

The type of cells present in the gastric glands which secretes intrinsic factor?