| A | B |
| Function of the Respiratory System | To bring Oxygen into the Body |
| Function of the Circulatory System | To Pump Blood throughout the Body |
| Mucus | (Snot) that helps warm and filter air |
| Hairs | Help to Filter Air |
| Trachea | Windpipe |
| Larynx | Voicbox |
| Bronchial Tubes | Connect Trachea to Lungs |
| Alveoli | Small sacs that expand inside your lungs |
| Inhaling | Breathing In |
| Exhaling | Breathing Out |
| Diaphragm | Expands and Contracts to Allow Lungs to Inhale and Exhale |
| Oxygen | The gas that Humans Need to Survive |
| Carbon Dioxide (CO2) | Gas that we exhale as a Waste |
| Heart | The Muscle that pumps blood |
| Arteries | Blood Vessels that lead away from the Heart |
| Veins | Blood Vessels that lead to the Heart |
| Capillaries | Small Vessels that Connect Arteries and Veins |
| Aorta | The largest Artery in the Body |
| Four | Number of Chambers in the Heart |
| Right and Left Atrium | Top Chambers of the Heart |
| Right and Left Ventricle | Lower Chambers of the Heart |
| Red Blood Cells | Carry Oxygen |
| White Blood Cells | Fight Infection |
| Platelets | Help Blood Clotting |
| Plasma | Liquid Part of Blood |
| Septum | Divides the Right and Left Chambers of the Heart |