Cardiovascular system

Cards (15)

What is the function of the semilunar valves in the heart?
To prevent backflow of blood into the heart from the arteries into the ventricles.
What is the function of the septum in the heart?
To separate the left and right sides of the heart.
What are the 3 different types of blood vessels that carry blood in the body?
Arteries, veins, and capillaries.
What is Heart Rate ?
Number of heartbeats per minute.
What is Stroke Volume?
The amount of blood pumped by the heart each beat
What is Cardiac Output?
The amount of blood pumped by the heart per minute.
What is the Cardiac Output Formula? 
Stroke Volume x Heart Rate
What do the Arteries do?
Carries blood away from the heart
What does the Veins do?
Carries blood towards the heart
What does the Capillaries do?
Connect Arteries & Veins, allowing diffusion to take place.
How does Vascular Shunt Mechanism happen?
Vasoconstriction & Vasodilation
What is Vascular Shunt Mechanism?
Vascular shunt mechanism redirects blood flow.
What is Vasodilation?
Widening of blood vessels and Increasing the amount of blood that is delivered to the active areas.
What is Vasoconstriction?
Narrowing of blood vessels and restricting the amount of blood that is delivered to the inactive areas.
What do Valves do?
Prevents the back-flow of blood