How many hearts does a lady bug have?

Yes ladybugs do breathe, because all living thinks can breathe and if they do not then they must be died. Ladybugs may be small but they are every intelligent and they have very good sense. All living things have lungs and diaphragm's can draw in and out air. They get their air through little tubes that are called trachea and that open onto the world outside the insect's body.