But really it is not a heart like a heart you would find in humans, or a horse or a dog. This is mostly correct. Insects do not have blood vessels that go to their legs and antennae. There are usually little pumps that help get the blood into these parts of the insect's body. That's correct, Tarantulaboy.
Cockroaches eat all kinds of food, and sometimes destroy books, rugs and clothing.
I read this in a book. I've had them pinch me before.