Fill in the blanks:
...2.. provides energy and organic materials for growth and repair of tissues. 
Each tooth is embedded in a socket of J aw bone. This type of attachment is called ...b...
An adult human has 32 permanent teeth which are of four different types. This is called ....C...dentition.
Majority of mammals including human being forms two sets of teeth during their life. This type of dentition is called ....d.. .