B1a

Question 1

healthy

Answer 1

being free from disease

Question 2

how can you measure fitness?

Answer 2

strength, flexibility, stamina, agility, speed.

Question 3

fitness

Answer 3

the ability to do physical activity

Question 4

systolic pressure

Answer 4

the maximum pressure the heart produces

Question 5

systollic pressure

Answer 5

the maximum pressure the heart produces

Question 6

diastolic pressure

Answer 6

the blood pressure between heart beats

Question 7

what can high blood pressure cause?

Answer 7

blood vessels to burst in the brain causing a stroke

Question 8

what can low blood pressure cause?

Answer 8

poor circulation, dizziness and fainting

Question 9

what can saturated fats (eg cholesterol) do?

Answer 9

they can stick to the walls of arteries. this is called a plaque and it can restrict bloodflow. causing heart attack

Question 10

what happens when salt leaves the body?

Answer 10

the body retains too much water which causes more blood to be pumped at a higher pressure.

Question 11

what happens if a small blood vessel bursts in the kidney?

Answer 11

the kidney can fail

Question 12

how are chances of heart disease increased?

Answer 12

high blood pressure, smoking, lots of saturated fat and sugar

Question 13

what effect does carbon monoxide have on the body?

Answer 13

it reduces the amount of oxygen carried by the blood causing the heart rate to INCREASE to make sure enough oxygen gets to all parts of the body and puts extra STRESS on HEART

Question 14

how does the heart work?

Answer 14

• the heart muscle contracts to make it beat.
• this squeezes the blood through the blood vessels called ARTERIES.
• the blood in the arteries is under pressure
• it needs to be under pressure so it can reach all parts of the body
• this is important because the blood carries food and oxygen to cells all around the body.