Person Account

A person account is an individual customer or consumer with whom you do a business. Example. A online shopper

Person accounts are not enabled by default in Salesforce.You need to contact to salesforce to enable it.
Where can I see Person Account?
Person Account can be seen when you create a new account ,You will see it in the form of record type.

Note: It works for Business to consumer model because here you are doing a business with a indivual consumer not with a company.

Person account have combination of fields for both account and contact objects . i.e the details will be saved in both the objects.

Standarad fields like email and job title will be included as they are not included in business account