Reflex Actions

Definition

Reflex actions are involuntary and automatic responses that occur in response to specific stimuli without involving conscious thought. They help protect our bodies by allowing us to quickly respond to potential danger.

Related terms

Stimulus:

A stimulus is any event or situation that evokes a response from an organism. In reflex actions, it triggers an automatic reaction.

Spinal Cord:

The spinal cord is a long bundle of nerves that extends from the base of the brain down through the spine. It plays a crucial role in transmitting signals between the brain and body parts involved in reflex actions.

Fight-or-flight Response: This physiological response prepares our bodies for either fighting off threats or fleeing from them. It can be activated during reflex actions when we encounter immediate danger.