Arrange the structures in the following list in the order that blood travels from the heart, through the systemic circuit, and back to the heart: 1. venules 2. arterioles 3. capillaries 4. elastic arteries 5. medium sized veins 6. large veins 7. muscular arteries

Which of the following properties of immunity refers to immune cells ignoring “self” tissues?

A(n) _______________________ is formed when arteries branch to create alternate routes to the same area of the body.

A patient with atherosclerosis may have an irregular buildup of cholesterol on their artery walls. This would cause:

The bacteria shown below are what shape?

What is the action of interferon?

Some parasites may act as vectors for other diseases.

Name the narrow green structures indicated by the arrow  

Name the red vessels indicated by the arrow:  

Name the small round green structures indicated by the arrow: