#1
Which of the following is NOT a component of the circulatory system?
Liver
ExplanationLiver is part of the digestive system.
#2
What is the main function of the circulatory system?
To deliver oxygen and nutrients to cells
ExplanationCirculatory system transports essential elements to cells.
#3
Which blood vessels carry blood away from the heart?
Arteries
ExplanationArteries carry blood away from the heart.
#4
Which of the following is NOT a major type of blood vessel?
Nerve
ExplanationNerve is not a type of blood vessel.
#5
Which of the following blood vessels carries oxygen-rich blood from the lungs to the heart?
Pulmonary vein
ExplanationPulmonary vein transports oxygenated blood from lungs to heart.
#6
What is the medical term for the 'voice box'?
Larynx
ExplanationLarynx is the medical term for the voice box.
#7
What term describes the force exerted by blood against the walls of blood vessels?
Blood pressure
ExplanationBlood pressure measures force of blood on vessel walls.
#8
Where does the exchange of oxygen and carbon dioxide occur in the circulatory system?
Lungs
ExplanationExchange of gases occurs in the lungs.
#9
Which chamber of the heart pumps oxygenated blood to the rest of the body?
Left ventricle
ExplanationLeft ventricle pumps oxygen-rich blood to body.
#10
What is the medical term for a heart attack?
Myocardial infarction
ExplanationMyocardial infarction is the medical term for a heart attack.
#11
Which of the following is responsible for pumping deoxygenated blood to the lungs?
Right atrium
ExplanationRight atrium pumps deoxygenated blood to lungs.
#12
Which of the following is the largest artery in the human body?
Aorta
ExplanationAorta is the largest artery in the body.