Types of arteries and veins. There are two types of arteries in the body: Pulmonary and systemic. The pulmonary artery carries deoxygenated blood from the heart, to the lungs, for purification while the systemic arteries form a network of arteries that carry oxygenated blood from the heart to other parts of the body.
Eating food within 9 to 12 hours before the test will not affect the HDL or total cholesterol test results, but it may affect the test results for triglycerides and LDL. If you need to take medicines, you may take them with a small amount of water on the morning of your test.
A âfasting blood sugar testâ was done which measures blood glucose after a person has not eaten for at least 8 hours. Normally, blood glucose levels rise a bit after eating. This increase causes the pancreas to release insulin so that blood glucose levels do not get too high. Blood glucose levels that remain high for an extended length of time can damage eyes, kidneys, nerves, and blood vessels.