Answer:
SANA PO MA BRAINLIEST PO AKO SANA PO MAKATULONG AKO SAYO LODS
Explanation:
they work :
nose; air enters in nose and detect the if their is a hazard in the air
and so on
THEY ALL WORK TO COLLECT THE OXYGEN TO DELIVER IN THE BLOOD AND BLOOD DELIVER IT IN ANYWHERE IN THE BODY to stay alive
