saliva	saliva
spit	cuspida

to salivate	salivar
to spit - spat	cuspir

My stomach is grumbling. I'm hungry!

O meu estômago está a roncar. Tenho fome!

Please don't spit on the sidewalk.

Por favor não cuspam no passeio

to burp	arrotar
to belch	arrotar
to hiccup	soluçar

to have the hiccups

ter soluços

intestines	intestinos
bowels	intestinos
guts	vísceras
indigestion	indigestão
nauseous	enjoado
heartburn	azia

to digest	digerir
to feel queasy	estar enjoado

to vomit	vomitar
to throw up - threw up

I'm feeling sick. I think I'm going to throw up.

constipation	prisão de ventre
diarrhea	diarreia
bowel movement	evacuação
gas	gases
fart	peido

to fart	peidar
to pass gas	soltar gases

feces	fezes
excrement	excrementos
crap	merda

to defecate

defecar