What are the two types of circulatory system?
Explain an open-circulatory system
Explain a closed circulatory system
Why is a closed circulatory system more efficient than an open one?
What are the 3 components of the circulatory system?
What are the 3 types of blood vessels?
What is the role of the arteries?
What is the role of the veins?
What is the role of the capillaries?
Tough, inelastic protein in arteries and veins
What is the middle layer in arteries and veins?
What is the inner single layer of living cells surrounding the lumen?
Capillary walls are _____ and are made of ______
What is blood pressure?
What is the function of valves?
average systolic pressure
average diastolic pressure
Device used to measure blood pressure?
What is the location of the heart?
Double membrane surrounding the heart
What type of pump is the heart?
Which ventricle is thickest?
Wall that divides the heart
Four chambers of the heart
Thickness of walls in the atria
Tough chords / heart strings
Tendons are attached to the heart wall by projections called
What is the valve on the right side of the heart?
What is the valve on the left side of the heart?
What are the valves that allow blood to flow into the aorta and pulmonary artery?
Deoxygenated blood enters the heart through the ?
Blood flows out of the heart to the lungs through the ?
Oxygenated blood enters the heart through the ?
The oxygenated blood flows out of the heart and around the body through the ?
Blockage of the coronary arteries can result in a ?
What are the two circuits?
Heartbeat is controlled by the ?
What is the SA node and where is it located?
The SA node sends out ?
What is the role of the AV node?
A record of the electrical activity of the heart
Where is the AV node located and what does it do?