2. A vessel that brings deoxygenated blood toward the heart.

3. ________are disorders involving the heart and blood vessels that carry blood to all body parts.

4. Refers to inadequate oxygen supply to the heart muscle due to impaired blood flow to the heart.

5. __________occurs when the blood does not have enough red blood cells or is deficient in hemoglobin

6. A vessel that takes oxygenated blood away from the heart is known as ______.

7. Brings Oxygen, nutrients and hormones to cells, fights infection, this function of circulatory system is known as ________.

8. Is the network of vessels that carry blood from the heart to the body and from the body back to the heart.

9. ________is characterized by abnormally high or abnormally low heart rate.

10. ________ is referred to as cancer of the blood. It is a condition characterized by excessive production of abnormal white blood cells.