quiz 6 Flashcards
Describe the function of the artery
Carry oxygenated blood( except pulmonary artery) away from the heart
What is an artificial heart?
Plastic devices used to keep patients alive whilst waiting for a heart transplant, or to allow the heart to rest as an aid to recovery
What is the function of veins?
Blood vessels that (usually) carry deoxygenated blood?
How are veins adapted to cause low blood pressure?
They have a wide lumen
What is a biological valve?
valves made from valves and tissue from animal or human donors
What are the upper chambers of the heart called?
Atrium
What type of blood flows through the left side of the heart?
Oxygenated blood
What is the function of the coronary arteries?
Blood vessels that supply the heart muscle with oxygenated blood
Name the 2 types of valves that can be used to replace faulty heart valves
Biological and mechanical valves
Define risk factor
A factor which increases the likelihood of having a particular disease
Give 2 disadvantages of biological valves
They can wear out quickly and require replacing often. Rejection
What is the consequence of a faulty heart valve?
Allows blood to flow back
To which part of the body does the left ventricle pump blood?
To the rest of the body
Describe the structure of a capilary
Walls are one-cell thick
