___________ blood cells carry oxygen around the body.

The heart is best described as a __________?

What blood vessel carries blood away from the heart?

What are the four common blood types?

If I have Type B blood who can I donate to?

What is another name for red blood cells?

What are the upper chambers of the heart called?

What blood vessel carries blood towards the heart?

A person who can give blood to anyone is called a _____________?

process by which the heart receives its nourishment

What are the three main types of blood cells?

What are the lower chambers of the heart called?

What is the largest blood vessel in the body?

Antigens are located in _______ blood cells?

How many chambers does the heart have?

What is the function of platelets?

What keeps the blood flowing in the right direction?

What artery only carries oxygen-poor blood?

A person who can receive blood from anyone is called a ___?

What blood type is a universal receiver?

What is hemoglobin?

What separates the heart from left and right?

The actual exchange of gases occurs in the tiniest blood vessels, the __________?

The giving of blood from one person to another is called a ________?

The circulation from the heart to the lungs and back again is ______?