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Worksheets3.3.4.1: Mammalian Blood Circulation
Total questions: 14
Worksheet time: 7mins
What is the main function of the coronary arteries in the mammalian circulatory system?
To transport oxygenated blood from the lungs to the heart
To supply oxygen-rich blood to the heart muscle
To carry deoxygenated blood from the heart to the lungs
To remove waste products from the kidneys
Which blood vessel carries oxygenated blood from the lungs to the heart?
Pulmonary artery
Pulmonary vein
Aorta
Vena cava
What is the primary function of the aorta in the circulatory system?
To carry deoxygenated blood to the lungs
To supply oxygenated blood to the body
To transport blood to the kidneys
To return blood to the heart
Which blood vessel carries deoxygenated blood from the body back to the heart?
Pulmonary vein
Aorta
Vena cava
Coronary artery
What is the role of the pulmonary artery in the circulatory system?
To carry oxygenated blood to the heart
To transport deoxygenated blood to the lungs
To supply blood to the kidneys
To return blood to the heart
Which structure in the heart prevents the backflow of blood during the cardiac cycle?
Coronary arteries
Valves
Aorta
Vena cava
During which phase of the cardiac cycle does the heart muscle contract to pump blood out of the heart?
Diastole
Systole
Resting phase
Ventricular filling
What is the primary function of the kidneys in the circulatory system?
To filter waste products from the blood
To pump blood throughout the body
To oxygenate the blood
To supply nutrients to the heart
Which blood vessel carries blood away from the kidneys?
Renal artery
Renal vein
Aorta
Vena cava
What is the function of the left ventricle in the heart?
To receive deoxygenated blood from the body
To pump oxygenated blood to the body
To receive oxygenated blood from the lungs
To pump deoxygenated blood to the lungs
Which valve is located between the left atrium and the left ventricle?
Tricuspid valve
AV valve
Aortic valve
Pulmonary valve
What happens to the pressure in the ventricles during systole?
It decreases
It remains constant
It increases
It fluctuates
What is the main purpose of the cardiac cycle?
To regulate body temperature
To maintain a unidirectional flow of blood
To filter blood
To produce red blood cells
Which blood vessel enters the kidneys carrying oxygenated blood?
Renal vein
Renal artery
Vena cava
Pulmonary artery
