Pulmonary veins
venules i believe...
the three blood vessels are the Veins capillaries Arteries the arteries.
plmonary veins begin as capillaries and end as capillaries
Capillaries are smaller, thinner and have less surface area than veins. Veins take blood to the heart, and capillaries are the thin tubes that connect the veins and arteries together.
Capillaries are the structures that connect arteries to veins.
Arteries, capillaries, & veins.
Arteries, veins, capillaries.
Capillaries. They are the microscopic tubes that connect the veins and the arteries.
Venules.
There are millions of veins present in human body, which are not accounted yet accurately. Every organ has veins running from it branching off into many more capillaries. Approximately the total length of the veins in the human body ranges from 60,000 - 100,000 miles including the capillaries.
The veins carry blood toward the capillaries.
veins, arteries and capillaries are all called blood vessels or blood streams.