Circulatory System

3. Found in red blood cells, this compound transports oxygen to the body tissues from the lungs.
6. A flap of tissue preventing blood from flowing backwards
7. There are two of these of chambers in the heart; a left and right. Both of these chambers are located in the bottom to corners of the heart.
8. A colourless fluid in blood that carries the blood cells and thickens the blood
11. The smallest blood vessels in the human body. These vessels arterioles and venules.
13. This artery is the largest in the human body.

1. A liquid which travels around the body containing minerals, waste and oxygen
2. Another word for circulatory, often used to describe the body system which uses the heart, veins and the lungs
4. There are two of these of chambers in the heart; a left and right. The right receives de-oxygenated blood from the inferior vena cava and superior vena cava.
5. A blood vessel which carries blood away from the heart
6. A blood vessel which carries blood away to the heart
9. How the human heart rate is typically measured (abbreviated)
10. This smooth muscles, is divided up into quarters is located in the chest slightly to the left
11. Of, near or relating to the heart; _______ arrest, _______ arrhythmia
12. A muscle which aids the process of delivering oxygen around the body; the muscle is also a key component in another one of the bodily systems