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circulatory1
vocab
| Question | Answer |
|---|---|
| Heart | pumping system of the body |
| Myocardium | Middle and thickest layer of heart |
| Epicardium | External layer of the heart and inner layer of pericarium |
| Endocardium | inner lining of the heart very smooth |
| What are the walls of the heart? | Epicardium, myocardium, endocardium |
| What does deoxygenated blood lack? | Oxygen |
| What are the two main veins of the body? | Superior and inferior Vena Cava |
| What is the main artery of the body? | Aorta |
| What vein and artery system goes through the heart and lungs? | Pulmonary Artery and Vein |
| What are the Bottom Chambers of the heart? | Right and Left Ventricles |
| What are the two top chambers of the heart? | Right and Left Atria |
| What completes the full circulation and connects veins and arteries? | Capillaries |
| What heart fluid prevents build up of friction in the heart? | Pericardial Fluid |
| What separates the left and right sides of the Heart? | Septum |
| What is the tip of the Heart called? | Apex |
| Where is the pericardial fluid held? | Pericardium |
| What type of blood is in arteries? | Oxygenated blood |
| What type of blood is in the veins? | Deoxygenated blood |
| What is the name of the sack that holds pericardial fluid? | Pericardium |
| What is the thickest layer of the heart? | Myocardium |
| What layer comes in direct contact with blood? | Endocardium |
| What are the three types of blood routes in body? | Veins, Arteries, Capillaries |
| What is the outermost layer of the heart? | Epicardium |
| What happens in the Capillaries? | Exchange of oxygen and wastes |
| what does all circulation go through to be pumped to diffrent spots of the body? | Heart |
| When heart tightens | Contraction |
| when heart relaxes | Relaxation |
| what determines rate and regularity of heartbeat? | Electrical Impulses |
| What is the sound made by pumping heart? | Lubb/dubb |
| What is measurement of pressure exerted against walls of vessels | bloodpressure |
| the higest pressure | systolic |
| The lowest pressure | diastolic |
| What is 120/80 considered in blood pressure? | normal blood pressure |