noun, の adjective
The all of somebody is someone's whole body.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
Please spray over your whole body once a day.
Every day, I go to work in a business suit from head to toe.
I had a lot of red dots throughout my body due to a crab allergy.