06 Circulatory System + Functions Flashcards
(5 cards)
1
Q
Heart Structure
A
Four chambers:
2 Atria
- Right & Left Atrium
- Receive blood from veins & sends it to ventricles
2 Ventricles
- Right & Left
- Pumps blood to distant tissues
2
Q
Valves
A
- Prevent the back-flow of blood
- Bicuspid Valve,
- Pulmonary Valve
- Tricuspid Valve
- Aortic Valve
3
Q
Blood pressure
A
- pressure exerted on the walls of the arteries as your heart ejects blood
- During systole, the aorta expands to accept blood from the heart
- During diastole, the aorta recoils, propelling blood along the arteries into the arterioles and capillaries
4
Q
Systolic Pressure
A
The pressure that blood exerts on the wall of the aorta during systole when blood leaves the heart
5
Q
Diastolic Pressure
A
The pressure that blood exerts on the wall of the aorta during diastole when no blood leaves the heart
