Its white
Yes, a earthworm does have blue blood.
Blood
red
This artery is called the dorsal aorta and it is a main artery leading from the heart. It divides and branches out to smaller arteries that ensure that all of the body is supplied with oxygen.
red
Blood
the transport blood throughout the worm
2 major blood vessels
yes.
The earthworm like many more complex organisms has a closed circulatory system, meaning that its blood is confined to blood vessels and its blood is recirculated so it gets maximum use
To carry the blood to all parts of the earthworm.