excrete
In an aquarium containing growing fish, the ammonia excretion levels are high.
The lymphatic system ensures that harmful substances reach the kidneys for excretion.
Sugar increases excretion of B vitamins and the minerals magnesium and chromium.
SMART Vocabulary: related words and phrases Animal physiology: excrement & its excretion
accident
anal fissure
bathroom
be caught/taken shortidiom
bodily function
bowel
defecate
dog dirt
dunghill
excrement
excreta
excrete
go to the bathroomidiom
motion
movement
pass
poo
poop
regular
stool
You can also find related words, phrases, and synonyms in the topics:
Animal physiology: urine & urinating