Description/ Definition
Answer Options: Arteries, Atria, Capillaries, Cardiac, Cardiovascular, Deoxygenated, Hypoxia, Ischemia, Left atrium, Left ventricle, Pressure gradient, Pulmonary, Respiratory, Right atrium, Right ventricle, Septum, Systemic, Urinary, Valves, Vasculature, Veins, Ventricles
You might find this animation helpful for some of these questions.
http://www.sumanasinc.com/webcontent/animations/content/humanheart.html
1. The blood vessels, heart, and blood make up the _ system.
2. This term refers to blood vessels.
3. The blood vessels that direct blood away from the heart are called:
4. The blood vessels direct blood toward the heart are called:
5. Found within the heart and some blood vessels, these structures prevent backflow of blood.
6. The blood enters the _ circuit as it leaves the right ventricle.
7. The blood enters the _ circuit as it leaves the left ventricle.
8. The exchanges of nutrients, wastes and gases take place in these tiny vessels.
9. Blood will only flow from one area to another when there is a/an _.
10. The upper chambers of the heart are called:
11. The lower chambers of the heart are called:
12. The central wall of the heart called the _, separate the right and left sides of the heart.
13. The blood enters this chamber when it returns to the heart from the systemic circuit.
14. Although there is still oxygen in it, the blood returning from the systemic circuit is referred to as _ blood.
15. This technical term means low oxygen.