Blood is pumped away from the heart at high pressure in arteries, and returns to the heart at low pressure in veins. The human circulatory system is a double circulatory system.
Which type of blood vessel has a 'pulse'?
Which type of blood vessel has valves inside?
Which type of blood vessel carries blood away from the heart?
What sort of circulatory system is the human circulatory system?
From which chamber of the heart does blood leave to go to the lungs?
Which valve prevents blood flowing back into the left atrium from the left ventricle?
Which chamber produces the highest pressure in the blood?
What effect does adrenaline have on the heart?
Which of these is a common risk factor for heart disease?
In coronary heart disease, what are the fatty deposits on the walls of the arteries called?