Med Sci 1Circulatory System Review

What is another name for the circulatory system?

• Respiratory system

• Cardiovascular system

• Digestive system

• Nervous system

What are the main components of the circulatory system?

• Heart, stomach, and lungs

• Heart, blood vessels, and blood

• Kidneys, liver, and heart

• Brain, arteries, and veins

What does the circulatory system transport to body cells?

• Carbon dioxide and waste

• Oxygen and nutrients

• Hormones and enzymes

• Bacteria and viruses

What does the circulatory system remove from body cells?

• Oxygen and nutrients

• Carbon dioxide and metabolic materials

• Hormones and enzymes

• Bacteria and viruses

What is the function of the right ventricle in the heart?

• To pump oxygenated blood to the lungs

• To receive deoxygenated blood from the body

• To pump deoxygenated blood to the lungs

• To receive oxygenated blood from the lungs

Which structure in the heart is responsible for receiving oxygenated blood from the lungs?

• Right atrium

• Left atrium

• Right ventricle

• Left ventricle

Where does the aorta carry blood to from the heart?

• To the lungs only

• To the entire body

• To the right atrium

• To the left ventricle

What is the heart primarily described as in terms of its physical nature?

• A) A rigid, solid organ

• B) A muscular, hollow organ

• C) A small, dense organ

• D) A flat, layered organ

Approximately how much does the heart weigh?

• A) More than 5 pounds

• B) Less than 1 pound

• C) Exactly 2 pounds

• D) Between 1 and 3 pounds

Which of the following is not a layer of tissue in the heart?

• A) Endocardium

• B) Myocardium

• C) Epicardium

• D) Pericardium