vessels are blood vessels that bring blood towards the
heart. The veins are such blood vessels. Veins carry blood
back to the heart. Most veins carry blood with low oxygen
contents. The pulmonary vein is an exception - carry oxygen-rich blood from the
lungs to the heart.
The veins are connected to the capillaries through the
venules. Venules are part of the veins and are basically small
veins that are attached to the capillaries to join back as one
Of the 5
litres of blood in your body, about 3 liters is in your veins
at any one time..
some of the common veins
to view a close up description of a vein
ęCopyright TQ Team
25896, 1999. The Circulatory System- Online Learning.