Understanding Fear and Its Biological Mechanisms

How is fear defined in the context of this video?

• As an emotional response to danger

• As a form of entertainment

• As a type of disease

• As a physical injury

What is the primary role of adrenaline and cortisol during a fear response?

• To make the body sleep

• To slow down the heart rate

• To prepare the body for 'fight or flight'

• To increase digestion

Which organ receives a signal to beat faster during a fear response?

• Heart

• Kidneys

• Liver

• Stomach

How does adrenaline send different signals to various organs?

• By being produced in different quantities

• By changing its chemical composition

• By being a stereoisomer with different arrangements

• By altering its color

What can trigger a fear response according to the video?

• Only auditory stimuli

• Only physical touch

• Almost any of our senses

• Only visual stimuli