This is the circulatory system of a fish. It is an example of _________
single circulatory system
This is a human circulatory system. This is an example of _____________
double circulatory system
A muscular organ that pumps blood by expanding in size as it fills with blood, and then contracting, forcing the blood on its way through the blood vessels.
The _____ side of the heart then pumps the oxygenated blood around the rest of the body.
left
The _____ side of the heart pumps blood to the lungs to collect oxygen
right
This blood vessels have a large lumen through which blood flows.
vein
large blood vessels that carry blood that is flowing away from the heart
artery
tiny blood vessels that form a network throughout every tissue and connect arteries to veins
capillary
