What is Psychology? — Psychology STD 11 Humanities — Question

Behaviour is a response or a reaction of an individual or an activity in which the individual is engaged in. It is the result of a stimulus in the environment or an internal change. Behaviours may be simple or complex and overt or covert.
Examples of overt behaviour:

1. Blinking of eyes when a stone is hurled at a person.
2. Withdrawing the hand immediately after touching a hot pan.

Examples of covert behaviour:

1. The twitching of hand muscles while playing a game of chess.
2. Pounding of heart during an interview.