up and down depends on the direction of the heart
arteries and veins
through arteries
Inside of your veins and arteries.
Blood cells travel to and from the pump called the heart by way of the blood vessels called the arteries and veins.
Veins and arteries are the passageways blood uses to travel throughout the body.
arteries, veins
After the coronary arteries travel around the heart, they go to the lungs for oxygenation.
they both travel in viens and arteries
Yes, but it will be a little darker inside the veins.
Yes. Arteries and Veins.
opposite as in a born person deoxygenated blood is in the arteries and oxygenated blood in the veins
Veins. Remember it this way, 'a' for away and 'a' for arteries. If arteries take blood away from the heart, then veins must take it to the heart.