Can anyone add to this list of "technical terms" for "bodily functions/actions" ?

horripilation (goose-flesh; goose-bumps)
micturition (peeing)
singultus (hiccups)
onychophagia (nailbiting)
sternutation (sneezing)
nictitation (blinking)
oscitancy [?] (yawning)
stertoration (snoring)
mastication (chewing)
deglutition (swallowing)
emesis (vomiting)
ambulation (walking)
respiration (breathing)
expectorate (spit)
borborygmus (a tummy rumble)
eructation (burbing)
flatulation (farting)
coitus reservatus (you know)
coitus interruptus (ditto)

eating ____________
sleeping ____________
dreaming ____________
coughing ____________
whispering ____________
itching (a scratch) ____________
sighing ____________
going "tsk tsk tsk" with disapproval ____________
winking ____________
clicking one's neck or nuckles ____________
getting a cramp (in the leg, for example) ____________

e.t.c.

well, there is always
expectorate: verb
to bring up liquid from the throat or lungs and force it out of the mouth.
(more commonly called 'coughing up a lung'
(OTC meds are available to help you 'expectorate' (phlem), when you have a cold/flu/broncitis.

(but the word is also used (at times) for spitting--(NYC subway signs warn that there is a large fine for expectorating in the subway)

lacrymation (crying)

How about:

- eat -- ingest
- whisper -- susurration
- sigh -- suspire
- walking in one's sleep - somnambulation

bombilate - buzz, hum

horripilation (goose-flesh; goose-bumps)
micturition (peeing)
singultus (hiccups)
onychophagia (nailbiting)
sternutation (sneezing)
nictitation (blinking)
oscitancy [?] (yawning)
stertoration (snoring)
mastication (chewing)
deglutition (swallowing)
emesis (vomiting)
ambulation (walking)
respiration (breathing)
expectorate (spit)
borborygmus (a tummy rumble)
eructation (burbing)
flatulation (farting)
coitus reservatus (you know)
coitus interruptus (ditto)
lacrymation (crying)
ingestation (eating)
somnambulation (sleep walking)
somniloquize (sleep talk)
tussis (cough)

any more?

regurgitation (throwing up, vomiting)

nictation (or nictitation) : winking [same as blinking]
gustation : tasting
imbibing : drinking [imbibition?]

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)

...

elimination (of bodily wastes)

How about rhinotillexomania!