A: Insects have blood, but it's not like our blood. ... Insects get oxygen from a complex system of air tubes that connect to the outside through openings called spiracles. So instead of carrying oxygen, their blood carries nutrients from one part of the body to another.

What kind of bugs have blood in them?

For example, blood-sucking bugs are parasites that feed on human and other mammal hosts and have the potential to transmit disease. The most common types of blood-sucking bugs you should be on the lookout for are mosquitoes, ticks, fleas and bed bugs. Learn more about their origin and treatment.

Do bugs bleed?

In insects, blood is used to carry nutrients throughout their bodies, but not oxygen. Oxygen comes through a system of air tubes that connect to the outside through openings called spiracles. Insects do bleed when they are hurt and their blood clots, like a human's, so a minor wound will usually heal.