(neuroscience) spinal reflex / (informal) reflex (response)

body / physique, constitution, frame / health

part, portion / copy of a newspaper or book

(anatomy) spinal cord

reflection, reverberation / reflex (automatic response)

reflect, light, sound, radio waves, etc.

(chiefly women's speech) first person singular pronoun: I, me

to react chemically / to respond, to react / be responsive, be sensitive

chemical reaction / reaction, response / feedback

private; mine