Two vessels can not be connected as it will be called a fistula. Please be more specific what you want to know.
what are the 2 sets of blood vessels
Arteioles are blood vessels that connect arteries and capillaries. Capillaries are blood vessels that connect arterioles and venules
Capillaries are blood vessels in the body that help transfer nutrients and waste between blood and tissue. They connect two other blood vessels, the arteriole and the venule.
cappillaries
capillaries
muscular vessels that connect the dorsal and ventral blood vessels.
connect the arteriole to the venules
Capillaries
The two blood vessels that connect to the right atrium are the superiorvena cava (from the top half of the body) and the inferior vena cava (from the lower half of the body). They are both veins carrying unoxygenated blood back to the heart and subsequently, the lungs, to be oxygenated.
Capillaries
CAPILLARIES
capillaries