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Circulatory24
| Question | Answer |
|---|---|
| Located in the chest between the lungs | Heart |
| Send blood away from heart | Artery |
| Exchanges nutrients with cells | Capillaries |
| Transports blood to the heart | Vein |
| Blood that is rich in oxygen | Oxygenated Blood |
| Blood that returns to the heart | Deoxygenated Blood |
| Double walled membrane sac | Pericardium |
| Prevents friction when the heart beats | Pericardial Fluid |
| External layor of heart | Epicardium |
| Middle and thickest layor of heart | Myocardium |
| Lining of heart | Endocardium |
| Two upper chambers of the heart | Atria |
| Two lower chambers of the heart | Ventrical |
| Between right and left ventrical | Septum |
| Between right and left atria | Apex |
| Carries deoxygenated blood from top half of body to the heart | Superior vena cava |
| Largest arteryin the body | Aorta |
| Carries deoxygenated blood from lower half of body to the heart | Inferior vena cava |
| Carries blood from the heart to the lungs | Pulmonary Artery |
| Carries blood from the lungs to the left atrium of the heart | Pulmonary Vein |
| Dividing wall or partition of the lower chambers of the heart | Septum |
| Innermost layer of heart tissue | Endocardium |
| The inner layer of the pericardium that is in actual contact with the surface of the heart | Epicardium |
| Receives blood returning to the heart from the superior and inferior vena cava | Atria |
| Contains the heart and the roots of the great vessels | Pericardium |
| When the heart Tightens up | Contraction |
| When the heart exands | Relaxation |
| When nerves stimulate the myocardium | Electrical impulses |
| Sounds the heart makes | Lubb/Dubb |
| Measures the pressure of the blood | Blood Pressure |
| Number on top when measuring blood pressure | Systolic |
| Pressure when the ventricles are relaxed | Diastolic |
| 120/80 | Normal blood pressure |