When we breathe in ___ goes into our ___ Where it is picked up by blood cells. From the lungs the blood travels to the ___ side of the heart. The oxygenated blood first enters the ___ ___ after the heart beats the blood is pushed into the ___ ___ the heartbeats again and the blood goes into the ___ from there the blood travels throughout the body delivering ___ and ___ . Traveling around our body our red blood cells travels to the human bodies tiniest blood vessels called ___ which connects the arteries to the ___ .The ___ or connected to every cell in our body and gives each cell ___ while taking away ___ ___ . This dark blue deoxygenated blood then travels ___ to the ___ side of the heart through the ___ . The blood enters the ___ ___ first. Then the heartbeats sending the blood into the ___ ___ . The heart beats again pumping the blood back to the his lungs where ___ ___ is exhaled and the circulatory process starts all over. Words may be used more than once:

-Veins
-Right
-Left
-Arteries
-Carbon dioxide
-Lungs
-Nutrients
-Capillaries
-Oxygen
-Ventricle
-Atrium