Flashcards in B1a-fitness and health Deck (13)
How does cholesterol increase the risk of heart disease?
1) Plaque forms in artery walls
2)causes Blood clot (thrombosis)
How does too much salt in diet increase heart disease?
1)body retains more water
2)increases blood pressure
3)heart has to pump greater volume of blood around body
How does smoking increase risk of heart disease?
Makes heart beat faster
Increases blood pressure
Binds with haemoglobin in red blood cells
Red blood cells carry less oxygen
What is Fitness?
The ability to do physical activity
What is Healthy?
Being free from disease
How can you measure fitness?
What is systolic pressure?
The measurement taken when the heart contracts
What is diastolic pressure?
The measurement taken when the heart relaxes
What is a normal blood pressure?
What happens when blood pressure is too high?
-blood vessels burst
What happens when blood pressure is too low?
-not enough oxygen reaches the brain
What are some lifestyle choices that cause Heart disease?
-too much saturated fat (cholesterol)
-too much salt in diet
-having high blood pressure which is caused by alcohol, stress and being overweight