Macrophages, sometimes called phagocytes, engulf pathogens and cell debris and trigger T-cells and B-cells.
a macrophage
White Blood Corposules
A macrophage is the type of white blood cell that surrounds and kills invading cells.
a kiss
Invading another country doesn't fit into categories of the kind implied by the question.
It is not just an organ that removes cell wastes it is the action of masterbating
The actions of the Muslims was to fight against the invading Crusaders.
No, it is a noun. "Invade" would be the verb.
well i did know but then i forgot :(*\0/*
To masturbate. It is an action, not a thing. Masturbation is when a person stimulates their genitals for sexual pleasure. Male or female, the act is called masturbation.
The action of the kittens' paws stimulates the mothers mammary glands to produce milk.
Breathing out removes carbon dioxide from the body. When we exhale, carbon dioxide is expelled from the lungs, allowing the body to rid itself of this waste product.