all about the heart Flashcards
What does the pulmonary artery carry?
deoxygenated blood
What does the pulmonary vein carry?
oxygenated blood
Arteries have a ____ passageway for blood and ____ muscular walls. It carries blood away from the _____ from the pulmonary _____
> small
thick
heart
artery
Veins carry blood to the____ from the _____ vein. They have ____ walls and a _____ passageway for blood. They have valves to prevent the back___ of blood.
> heart
pulmonary
thin
larger
backflow
Capillaries are found in the muscles and ____. They are ___ cell thick and they have __ blood pressure. This is where __ exchange happens.
> lungs
one
low
gas
What atrium receives deoxygenated blood?
right atrium
What ventricle pumps deoxygenated blood to the lungs?
right ventricle
What atrium receives oxygenated blood?
left atrium
What ventricle pumps oxygenated blood to the body?
left ventricle
Why does the left atrium have a thicker muscular wall?
It has a thicker muscular wall because it transports blood to the entire body whereas the right atrium only pumps blood to the lungs.
What is the equation for cardiac output?
cardiac output =
stroke volume x heart beat
Narrowing of the arteries reduces what?
flow of oxygen
When the arteries are narrowed what can happen?
It can lead to pain, heart attacks and even death.
What are stents?
Stents are metal or plastic meshes that are inserted into the artery. They can be probed to release a certain medication to prevent the blood from clotting.
What are statins?
Statins are a life-long medication taken by people who have a high risk of cardiovascular disease to prevent the build-up of blocked arteries. Some side effects of it are diabetes and muscle cramp.
