7.2 The heart

Multiple Choice

How many sections does the heart have?

• 2

• 3

• 4

• 5

Multiple Choice

It happens when the heart muscles weaken....

• heart attack

• cardiac arrest

• heart failure

Multiple Choice

It happens due to electrical problems in the heart...

• heart failure

• heart attack

• cardiac arrest

Multiple Choice

You can save a person's life who has cardiac arrest by giving ______.

• medicine

• CPR

• oxygen

Poll

Heart attack happens due to this build of fats in the arteries called ________.

• cholesterol

• plaque

• oil