 I can list the functions of the circulatory system.  I can give examples of materials needed by cells to function.  I can give an example of waste that is taken away from cells.  I can list the 2 major structures of the circulatory system.  I can list the chambers of the heart.  I can put the flow of blood through the heart and rest of the body in order

 Circulatory System  Oxygen  Glucose  Carbon dioxide  Heart  Blood Vessels  Chambers  Atria  Ventricles  Inferior Vena Cava  Superior Vena Cava  Tricuspid Valve  Pulmonary Artery  Pulmonary Vein  Mitral Valve  Aorta

1. Carry needed substances to cells 2. Carry waste products away from cells 3. Fight disease

Glucose Oxygen See how small oxygen is?! That’s how it can just sneak in and out of alveoli, blood vessels, and cells…

 Carbon dioxide

 Heart  Blood Vessels Yes, if you could take everything else out and just have your blood vessels… your leg and head would look like these! You are FULL of blood vessels!

 The human heart has 4 chambers… › The two top chambers are called atria (singular = atrium) › The bottom two chambers are called ventricles

 Make sure you are looking at that person’s right and left NOT YOUR RIGHT AND LEFT!

 Blood enters the heart through the Inferior Vena Cava and Superior Vena Cava…

 …from the Vena Cavas, blood flows into the right atrium…

 …from the right atrium through the Tricuspid Valve…

 …through the Tricuspid Valve to the right ventricle…

 …out of the right ventricle through the pulmonary arteries…

 …through the pulmonary arteries to the lungs…

 …back from the lungs through the pulmonary veins…

 …through the pulmonary veins to the left atrium…

 …from the left atrium through the Mitral Valve…

 …through the Mitral Valve to the left ventricle…

 … out the left ventricle and into the aorta…

 …through the aorta to all the rest of the body…

 …back from the body through the Inferior Vena Cava and Superior Vena Cava!

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