Final answer:
Synonyms for 'scared' include 'afraid', 'frightened', and 'terrified', all of which relate to fear. 'Fright' and 'freeze' have been added to the 'fight or flight' response, signifying reactions to fear driven by the sympathetic nervous system.
Step-by-step explanation:
Some synonyms for the word 'scared' include 'afraid', 'frightened', and 'terrified'. These words describe a feeling of fear or anxiety often experienced when faced with danger or uncertainty. In understanding our emotions, the concept of 'fight or flight' has evolved to include 'fright' or even 'freeze', enhancing our comprehension of the sympathetic system which is responsible for the physiological responses to such emotional states. The term 'sympathetic' comes from Greek roots meaning 'together' and 'emotion', denoting the connectedness of emotional experiences.