Cardiovascular Flashcards
Thoracic cavity
Chamber in the chest that contains lungs and heart
Atrium (atria)
Top chambers the gathers blood returning to the heart
Ventricle
Lower chamber that pumps blood to the lungs and body
Sinoatrial node
In right atrium initates electrical signal to cause heart beat
*pace maker
Atrioventricular node
Betwrrn atria and ventricle tland Delays impulse for heart beat so ventricles can fill with blood
Bracdycardia
Under 60 beats a minute
Tachycardia
Over 100 beats per minute
Cardiac output
Overall performance of the heart
Stroke volume × heart rate
How many liters of blood in The body
Between 4 and 6
Arteries
Transport blood away from the heart
Capillaries
Exchange site of elements between blood and tissue
Veins
Transport blood to the heart
5 main arteries
Carotid-to the brain
Subclavian-arms
Mesenteric-digestive system
Renal-kidney
Iliac-pelvic and reproductive organs
Vasculogenesis
Formation of new capillaries
Angiogenesis
Formation of new capillaries from exsitsing vessels