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Year 12 Mass Transport in Animals

Returns deoxygenated blood to the right atrium
Cluster of cells in the right atrium that generates electrical impulses and controls the heart rate
Chamber of the heart with the thickest layer of muscular tissue
Carries oxygenated blood away from the left ventricle
Relaxation of the heart
Filtration under pressure which forces small molecules out of the capillaries leaving cells and proteins in the blood
Top chamber of the heart containing deoxygenated blood
What controls the direction of the movement of blood
Stimulates the production of adrenaline which increases heart rate and raises blood pressure
Pressure generated by the pumping of the heart
Link arteries to capillaries
Bottom chamber of the heart containing deoxygenated blood
Valves found in the aorta and pulmonary artery
How to describe a circulatory system that passes through the heart twice for each complete circuit of the body
Prevent the backflow of blood in the veins
Delays electrical impulses to allow the ventricles to fill up with blood
The only artery containing deoxygenated blood
Contraction of the atria
Left atrioventricular valve
Smoother lining in blood vessels which reduces friction
Lipoproteins that may lead to the development of atheroma
Combines irreversibly with haemoglobin in red blood cells
Found in arterial walls and allow arteries to stretch as a result of high blood pressure then recoil
Liquid solution that bathes the tissues
Chamber of the heart into which the contents of the pulmonary vein drains
Arteries that supply heart tissue and cells with oxygen and glucose