The posterior part of the soft palate hangs down into the pharynx as a small,finger-like projection called the .......

Select the correct statement$(s)$:
$(A)$ The alimentary canal begins with an anterior opening,the mouth.
$(B)$ Each tooth is embedded in a socket of jaw bone.
$(C)$ Humans exhibit a diphyodont type of dentition.
$(D)$ The oesophagus and the trachea open into the larynx.

In which layer of the wall of the alimentary canal are secretory glands present?

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

The $Crypt$ $of$ $Lieberkuhn$ is an example of:

Identify the correct statement regarding the human digestive system.