This blood vessel carries blood away from the heart

Which of these structures is considered the longest vein of the body

The large vein that returns deoxygenated blood from the lower extremities and the abdomen to the right atrium of the heart is the

The subclavian vein arises as the continuation of the

The inner most layer of an artery is called

The layer of an artery that is mainly made up of smooth muscle is called

Which of the following bifurcates into the right subclavian an the right common carotid arteries?

How do you make a proton out of a hydrogen atom?

What is the main hallmark of a strong base?

What atom in the hydronium ion, H3O u8314.gif , bears the positive charge?