the heart

• The right atrium receives deoxygenated blood from the vena cava.
• stents and stains are treatments for a coronary heart disease
• a stent is a tube in the arteries
• positives of stents- surgery is quick, lasts a long time
• negatives of stents- surgery has risks, could lead to heart attacks or infections, patients could develop blood clots
• statins is a medication which alters the balance of cholestrol
• statins have to be taken reguarly
• statins have side effects- head ache, kidney