Veins carry blood from ___ to ___.
Veins carry blood from the organs of the body to the heart.
Veins and arteries carry blood. Which of these carry blood : (a) away from the heart ? (b) back to the heart ?
All veins carrying deoxygenated blood combine into a single vein called__. This vein connects to the heart at the right atrium.
All veins carrying deoxygenated blood combine into a single vein called_____.