Understanding Blood Circulation and Pressure

What is the primary function of blood in the body?

• To produce hormones

• To supply nutrients and oxygen

• To regulate body temperature

• To store energy

Which of the following is true about systolic pressure?

• It is not related to heart function

• It measures the pressure when the heart contracts

• It measures the pressure when the heart relaxes

• It is the lower number in a blood pressure reading

What is considered a normal blood pressure range?

• 80 over 50 to 100 over 70

• 90 over 60 to 120 over 80

• 110 over 80 to 140 over 100

• 100 over 70 to 130 over 90

Which of the following is NOT a common cause of high blood pressure?

• Unhealthy diet

• Smoking

• Regular exercise

• Stress

What can happen if high blood pressure is left untreated?

• It can lead to improved heart function

• It can cause damage to blood vessels and organs

• It can increase energy levels

• It can reduce the risk of infections