Question

An automatic response without the involvement of the brain is called ________.

Answer 1

Reflex Action:

1. The spinal cord controls some actions that do not involve the brain.
2. This action is automatic and does not involve the process of active thinking. It is called a reflex action.
3. Thus, Reflex action is an automatic, spontaneous and mechanical response to a stimulus controlled by spinal cord without the involvement of brain.

Final answer: An automatic response without the involvement of the brain is called reflex action.