The heart

Cards (18)

What is the blood made out of  
Red blood cells
white blood cells
platlets
plasma
What blood vessel carries blood AWAY from the heart  
Arteries
where does the exchange of oxygen and nutrients happen  
Capillaries
What do the veins do  
Transport blood the the heart
why do arteries have a strong layer of muscle and tissue  
blood travels at high pressure due to blood pumping at heart
why are capillary walls thin (permable) 
So substances can diffuse
What do valves do in the veins  
Prevent back flow due to lower pressure
Definition : Circulatory System 
transports oxugen and nutrients
Where is the pace maker  
In the right atrium
Where does the vena cave come from
From the body (deoxygenated blood)
Where does the pulmonary artery go  
To the lungs (to oxygenate the blood)
Where does the pulmonary vein come from  
The lungs (oxygenated blood)
Where does the Aorta go
The the body (oxygenated blood)
A risk factor of CHD
Overweight
smoking
Symptoms of CHD
Chest pain
shortness in breath
(not always present)
Prevention of CHD
Exercise
good diet
no smoking
Treatment of CHD
Drugs - Aspirin / Satins
stents - mesh put into coronary artery to reduce blockages due to fat
What do the Coronary arteries do 
circle the heart to supply it with the oxygen and nutrients it needs

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