Cardiovascular System Updated Flashcards
Pulmonary Circulation
Blood that goes to the lungs and back to the heart
Systemic Circulation
Blood from the heart to around the body
State features of the veins
Large lumen and thinner muscle walls
State the treatment options for CHD and the function
Statins - Lowers cholesterol
Stents - Opens up arteries
Betablockers - Blocks effects of adrenaline
Where do blood cells develop from?
Liver, spleen, bone marrow and lymph nodes
How is CO2 moved around the body?
Via diffusion from capillaries
Where does blood enter the heart?
Via the atrium
Where does blood leave the heart?
Via ventricles
State what happens during a heart attack
A heart attack is caused by a circulation problem meaning an artery could be blocked
State what happens during a cardiac arrest
The heart malfunctions and will stop unexpectedly which is an electrical problem
What does diastolic mean?
Pressure exerted by blood through arteries between beats
What is CHD and how does it occur?
Coronary Heart Disease
Occurs when fatty deposits build up within the arteries
State the symptoms of coronary heart disease
Chest pain
Heart attack
Heart failure
Give the features of arteries
Thick walls to withstand pressure
State features of the capillaries
One cell thick to allow for gas exchange