The Heart
A muscular organ that moves blood through contractions
What is the heart?
The tiny vessels arteries branch into.
What are capillaries?
The valve named for a bishop's hat.
What is the mitral valve?
The process by which cells gain nutrients and excrete waste.
What is diffusion?
The three parts of the circulatory system.
What are blood, blood vessels and heart?
The deoxygenated blood enters the heart here.
What is the right atrium?
These transfer the blood from the capillaries to the veins.
What are the venules?
The valve which prevents backflow from the heart to the lungs.
What is the pulmonary valve?
These chambers of the heart have thinner walls.
What are the right ventricle and atrium?
What are arterioles?
The valve preventing blood from flowing into the right atrium from the right ventricle.
What is the tricuspid valve?
The blood vessels with the thickest walls.
What are arteries?
The inner lining of the heart.
What is the endocardium?
The antigen first found in monkeys that gives blood types the + or - value.
What is the Rhesus factor?
The blood type that has anti-B antibodies and A antigens in the blood
What is Group/Type A?
The latin name for the "heart strings".
What are the chordae tendinae?
The blood vessels used for intravenous medication and blood drawing.
What are veins?
The muscles within the heart that contract to make the valves open and close
What are the papillary muscles?
The colour of deoxygenated blood.
What is deep/dark red?
A myocardial infarction
What is a heart attack?
The only artery to carry deoxygenated blood.
What is the left pulmonary artery?
The vessel that sends the blood out to the arteries.
What is the aorta?
The reason for the "lubDUB" sound of a heartbeat.
What is the opening and closing of the valves?
The sinoatrial node and the atrioventricular node.
What are the two electrical nodes (pacemakers)?
The fibres which conduct electrical charges and cause the ventricles to beat.
What are the Purkinje fibres?