i)Heridity: The personality influence by genetic inheritence.
ii)Nervous System:The activities thinking, feeling, acting & behaving are motivated by nervous system.
iii)Endocrine Gland:It is the hermone produced by this gland is excessive, it cause thinking unnecessary activities. Eg, crime, rapse, steal etc.
iv)Pitutary Gland: If the pitutary gland produces more hermone, it causes the problem of being too fat and if less hermone cause the problem of too thin.
v)Thyroid Gland: If the thyroxine hermone is produced more by TG it cause the problem of being too fat after the first mensuration on ladies. It creates the other problems like; migrane, stress etc.
vi)Psysique: Its an state of being short & fat body.
i)Home ii)School iii) Economy iv)Culture
It is a factor which determines our quick personality depending upon the faceing situation for instance: we express our different types of personality with parents, teacher & friends.