ambulation (walking)
audition (hearing)
borborygmus (a tummy rumble)
coitus interruptus ("stopping in time")
coitus reservatus ("trying not to stop")
defecation (pooping)
deglutition (swallowing)
emesis/regurgitation (vomiting)
eructation (burbing)
expectoration (spiting)
flatulation (farting)
gustation (tasting)
horripilation (goose-flesh; goose-bumps)
imbibition (drinking)
ingestation (eating)
lacrymation (crying)
mastication (chewing)
micturition (peeing)
nictitation (blinking)
nictitation (winking)
olfaction (smelling)
onanism ("self-abuse" : / )
onychophagia (nailbiting)
oscitancy [?] (yawning)
respiration (breathing)
salivation (dribbling)
singultus (hiccups)
somnambulation (sleep walking)
somniloquization (sleep talking)
sternutation (sneezing)
stertoration (snoring)
tactility (touching)
tussis (coughing)
visual modality (seeing)

...