blood returning to the heart from the upper portion of the body enters the right atrium through the superior vena cava.
Inferior vena cava
vena cava
Aorta
Dilation of a blood vessel is the term for physiologic widening of the vessel. Abnormal widening of the blood vessel through a weakening of the wall is known as aneurysm.Dilation of a blood vessel means widening of the vessel.
The Systemic aorta is the major blood vessel that brings back blood to heart from most body parts.
Carrys Blood Through The Body
Lumen
Capillaries is the answer in this question
A blood vessel is a tube shaped organ that carries blood. It carries the blood through the tissues and organs of the human body.
The dorsal blood vessel is located on top of the intestinal track in a worm.
"Venoules" is likely a misspelling of "venule," which is a small blood vessel that carries blood from capillaries to veins. These vessels are important for returning blood from tissues back to the heart.
Aorta