Blood and Circulatory System

Which of these is a function of the circulatory system?

• Carrying Carbon dioxide from the cells to the lungs

• Sending nerve impulses throughout the body

• Transforming large insoluble molecules into small soluble molecules

Which of these blood vessels carry blood away from the heart?

• Veins

• Capillaries

• Arteries

Which blood vessel carries de-oxygenated blood away from the heart to the lungs?

• Aorta

• Superior Vena Cava

• Pulmonary Artery

• Pulmonary Vein

Which of these is an advantage of double circulation?

• More blood is received by the organs

• Maintaining high blood pressure to all major organs of the body

• Faster , as it goes through the heart only once

Deoxygenated blood from the body parts enter the heart through:

• Superior and Inferior Vena Cava

• Hepatic Vein

• Renal vein

• Pulmonary vein

What is CHD?

• Computer Hard Disk

• Coronary Heart Disease

• Controlled healthy Diet

Which of these blood vessels have an extremely narrow lumen (Just wide enough for a RBC to pass through)?

• Arteries

• Veins

• Capillaries

Which of these blood vessels have a lumen that varies with pulse of blood passing through?

• Arteries

• Veins

• Capillaries

What are the parts of the heart in an an animal that has a single circulation circulatory system?

• One atrium (collecting chamber) and one ventricle (ejection chamber)

• two atriums and one ventricle

• one atrium and two ventricles

• two atriums and two ventricles

What is the valve between the right atrium and ventricle?

• Pulmonary valve

• Aortic valve

• Mitral valve

• Tricuspid Valve

• Bicuspid valve