Heart Quiz

What is the main function of the heart?

• Filter blood

• Digest food

• Produce hormones

• Pump blood

Which organ pumps blood throughout the body?

• lungs

• heart

• brain

• stomach

What is the size of an average child's heart?

• about the size of a watermelon

• about the size of a tennis ball

• about the size of a grain of rice

• about the size of their closed fist

What is the purpose of valves in the heart?

• To regulate blood pressure

• To ensure one-way blood flow

• To produce red blood cells

• To filter impurities from the blood

What makes your blood turn bright red?

• oxygen from your lungs

• nutrients

• a stethoscope

• the chambers

What is the average resting heart rate for 5 to 12 year-olds?

• 70-120 beats per minute

• 150-200 beats per minute

• 110-130 beats per minute

• 30-50 beats per minute

What are some things to keep your heart strong?

• no smoking and no alcohol

• getting enough sleep

• healthful foods like fresh fruits. vegetables, beans, and whole grains

• regular exercise

What is the medical term for a heart attack?

• cardiac arrest

• myocardial infarction

• heart failure

• coronary thrombosis

Why does the blood go to the lungs?

• Blood picks up oxygen and takes it to every cell in your body.

• Blood picks up carbon dioxide and takes it to every cell in your body.

• Blood picks up oxygen from every cell in your body and brings it to your lungs.

• Blood picks up nutrients from your lungs to take to every cell in your body.

The heart is ​ (a)   with some yellowish spots of fat.

• red-brown
• bright red
• pink