5th Circulatory System

Your heart is a ________________.

• bone

• muscle

• tendon

Your heart works together with your ______________ to get oxygen into your blood.

• lungs

• liver

• kidney

What gas do we need to breath in to make energy?

• oxygen

• carbon dioxide

• helium

An adults resting heart beats on average about ________ times a minute.

• 70

• 220

• 25

What passage ways carry blood towards your heart?

• veins

• arteries

What passage ways carry blood away from your heart?

• veins

• arteries

A great activity to increase someone's heart rate would be________________.

• reading

• watching TV

• running

An activity that would decrease someone's heart rate would be ___________________.

• jogging

• static stretching

• riding a bike