The Heart and Blood Vessels (blood supply to the heart) Flashcards
What arteries supply the muscles of the heart with blood?
The coronary (or cardiac) arteries
What do the coronary (or cardiac) arteries supply blood to?
The muscles of the heart
What do the coronary (or cardiac) arteries supply to the heart?
Blood
What are the coronary arteries also called?
The cardiac arteries
Where are the coronary arteries found on the heart?
They branch from the aorta at the point where it leaves the heart
What vein drains blood from the muscles of the heart?
Coronary (or cardiac) veins
What do the coronary (or cardiac) veins drain from the muscles of the heart?
They drain blood
Where do the coronary (or cardiac) veins return the blood directly too after draining it from the muscles of the heart?
They return the blood directly to the right atrium
What does a blockage of the coronary arteries commonly cause?
Heart attack
What is a common cause of heart attack?
A blockage of the coronary arteries
What often proceeds a heart attack?
Chest pains called angina
What does angina usually proceed?
A heart attack
What do the coronary arteries subdivide to form?
Numerous cardiac capillaries
What subdivides to form numerous cardiac capillaries?
Coronary (or cardiac) arteries
What do cardiac capillaries exchange materials with?
The muscular walls of the heart
