The Human Circulatory System
1. The three blood vessel types are _________________________, ______________________, and ___________________.
a. Thick vessels are the ________________________
b. Thin vessels are the _________________________
c. _______________________ are the branch between the two.
2. What are arterioles and venules?
3. The straw colored fluid that makes up approximately 55% of human blood is called _______________________.
4. The iron-containing protein that is found in red blood cells and carrier oxygen from the lungs to the tissues of the body is called _____________________.
5. White blood cells that digest foreign cells are called __________________.
6. Label the following blood cells:
7. What is plasma made of?
8. What will happen if a person who is type O blood is given type A blood?
9. A person with type B blood has _______________ agglutinin and ________________ agglutinogens.
10. A person with type A blood has _______________ agglutinin and ________________ agglutinogens.
11. How many chambers make up the human heart? _________
12. The heart is made of three layers. The outermost is called _________________, the middle one is the _____________________, and the inner layer is the _____________________. Label the layers in the picture below:
13. Complete the following paragraph using the following terms: lungs, pulmonary veins, pulmonary arteries, aorta, superior vena cava, left atrium, right atrium, left ventricle, and right ventricle.
A large vein called the ____________________________ brings the blood from the upper part of the body to the heart, where it enters the _______________________. The blood is pumped through the tricuspid valve into the _____________________ and travels through the ___________________ to the _______________ to pick up oxygen. From the lungs, blood travels through the _______________ and returns to the heart, where it enters the ________________________. The blood then travels through the mitral valve to the ____________________. Finally, the blood is forced through the ____________________ to the ____________________, which carries it to the tissues of the body.
14. What term best fits the following descriptions:
§ Vessels which carry blood away from the heart: _____________________
§ Vessels which carry blood to the heart: ________________________
§ Protein located within the cell membrane of red blood cells: _________________________
§ Protein located in the blood plasma: _________________________
§ Sac that protects and surrounds the heart: ________________________
§ Thick wall that divides the heart into two sides: _____________________
§ Upper chambers of the heart that receive blood: _____________________
§ Lower chambers of the heart that pump blood out of the heart: ___________________
§ Valve between the right atrium and ventricle: __________________
§ Valve between the left atrium and ventricle: _____________________
§ Valve to prevent backflow into the left ventricle: ________________________
§ Valve to prevent backflow from the lungs back to the heart: ________________________
§ The only artery in the body rich in CO2 and low in O2: ___________________
§ The only vein in the body rich in O2: ____________________
15. Compare the blood on the two sides of the heart.
16. Label the following structures of the heart:
*You have had two other reviews within this unit…use those to study from also!