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cardio vas/circuits
anatomy and physiology II, chap 15 #4
| Question | Answer |
|---|---|
| Pulmonary circuit: | begins with the right ventricle, it sends blood to the lungs via the pulmonary arteries, and becomes oxygenated at the lungs and returns via the pulmonary vein. A short circuit*** |
| Systemic circuit: | it begins at the left ventricle, it sends oxygenated blood throughout the body, leaving the aortic trunk to ascending, and descending aortas, to the rest of the body to bring nutrients and o2 to the cells and tissues of the body via capillaries. |
| Tunica adventita: | same as tunic externa |
| Functional importance of systemic circulation: | the reconditioning of interstitial fluid surrounding cells, which passes on these nutrients and gases to the cells in the various tissues throughout the body. |
| av septum | muscualar wall bewtween right and left ventricles |
| skeleton of heart | fibrous rings to which heart valves are attached |
| systemic ciruit | carries oxygenated and deoxygenated blood, oxygenated to the cells and intersticial fluid, and deoxygenated blood returns |
| path of blood through heart step 1 | enters the vena cavae, no o2 via the systemic circuit |
| path of blood through heart step 2 | enters right atrium: with no o2 |
| path of blood through heart step 3 | tricuspid valve |
| Pulminary: path of blood through heart step 4 | enters right ventricle: no o2 |
| pulminary: path of blood through heart step 5 | leaves R ventricle via pulminary valve: no o2 |
| pulminary circuit: path of blood through heart step 6 | enters and goes through pulminary trunk |
| pulminary circuit: path of blood through heart step 7 | enters and goes through pulminary artieries right and left |
| pulminary circuit: path of blood through heart step 8 | enters and goes though alvelor capilaries: picks up o2 |
| pulminary ciruit: path of blood step 9 | enters pulminary veins: o2 now |
| pulminary ciruit: path of blood step 10 | enters left artium: o2 |
| pulminary ciruit: path of blood step 11 | goes through mitral valve or bicuspid: o2 |
| pulminary ciruit: path of blood step 12 | enters left ventricle: o2 |
| pulminary ciruit: path of blood step 13 | goes through aortic valve: 02 |
| pulminary ciruit: path of blood: step 14 | goes though aorta to ascending and descending aortas and to the body via the Systemic Ciruit |
| angiogram | checks for blockages |
| the right ventricle | pumps blood to the lungs |
| the left ventricle | pumps blood to the body's organs, tissues, and cells. |
| the pulmonary circuit | extends from heart to lungs and back to the heart |
| the second cirtuit is the systemic circuit | it begins on the right side of the heart, the blood is poor in oxygen |
| blood of pulmonary artieries | poor in o2 |
| blood of pulmonary veins | rich in o2 |
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stags
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