Heart
Trivia
Functions
Disease
Defintions
100
What chambers contract during 'lub'?
Left & Right Atrium
100
What is the myogenic muscle?
Muscles that have the ability to contract without being stimulated by external nerves
100
What gases do the circulatory system circulate?
Oxygen and carbon dioxide
100
What is an aneurysm?
A bulge in the wall of an artery
100
What is the myogenic muscle?
A muscle that contracts without external nerve stimulation
200
What is the big vein on top of the heart?
The aorta
200
What does the sympathetic nervous system do?
Prepares the body for stress
200
What are leukocytes?
White blood cells
200
What are some symptoms of arrythmia?
Dizzyness, chest pain, shortness of breath
200
What is the SA?
A small mass of tissue in the right atrium that originates the impulses stimulating the heartbeat
300
What is another name for the aerotic valve?
Semilunar valve
300
What is hypertension?
Increased resistance to blood flow, which results in a sustained increase in blood pressure
300
What is the function of arteries?
Carry blood away from heart
300
What is considered high blood pressure?
140/90
300
What are purkinje fibres?
Nerve fibres that branch and carry electrical impulses throughout the ventricles
400
Where is the pulmonary valve?
Middle
400
How many litres of blood are in the human body?
5L
400
What is the function of capillaries?
Carry blood to and from cells
400
What is heart failure?
Heart cannot pump blood efficiently due to not filling with enough blood or pushing enough blood to the body
400
What does blood pressure depend on?
Cardiac output and arteriolar resistance
500
How many pulmonary veins are there on each side of the heart?
2
500
What do blood pressure regulators detect?
High blood pressure
500
What is the function of veins?
Carry blood toward the heart
500
What is a stroke?
A blood clot forming in an artery going to the brain
500
What is fluosol?
Artificial blood
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