Circulatory and Respiratory Systems Unit Assessment

1. The circulatory system includes

• blood, blood vessels and heart
• lymph and lymph vessels
• both choices are correct
• neither choice is correct

2. The atria are

• the upper chambers of the heart.
• the chambers that receive blood from the body.
• both choices are correct
• neither choice is correct

3. The ventricles are

• part of the lungs.
• the lower chambers of the heart
• the upper chambers of the heart.
• blood vessels

4. The chamber in the diagram indicated by "F" is

• the right atrium
• the left atrium
• the septum
• the right ventricle

5. In the diagram, the aorta is indicated by letter

• G
• D
• A
• C

6. In the diagram, blood in chamber "A"

• is full of oxygen
• is entering the lungs
• is in the right atrium
• is full of carbon dioxide

7. The vessels indicated by "C" in the diagram carry oxygen poor blood. The vessels are

• parts of the aorta.
• part of the atria.
• the pulmonary arteries.
• vena cava

8. Blood vessels that carry blood away from the heart are called

• arteries
• veins
• capillaries
• pulmonary

9. Blood vessels that carry blood back to the heart are called

• arteries
• veins
• capillaries
• pulmonary

10. These vessels have extremely thin walls and are the site of gas and nutrient exchange between blood and cells.

• arteries
• veins
• capillaries
• pulmonary