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CirculatorySystem
Science
| Question | Answer | Also... |
|---|---|---|
| What is the lub-dub of the heart? | The valves(aortic/pulmonary and AV) closing, (AV, AP) | The valves(aortic/pulmonary and AV) closing, (AV, AP) |
| Why is the cirulatory system a system? | It has miltiple parts that need eachother to survive/work: the heart needs arteries to supply it's own muscle with oxygen and glucose. | It has miltiple parts that need eachother yo survive/work: the heart needs arteries to supply it's own muscle with oxygen and glucose. |
| What is the overall function of the circulatory system? | To supply cells with O2 and CHO, and to take away H2O and CO2 | To supply cells with O2 and CHO, and to take away H2O and CO2 |
| What is a pulse? | The movement of blood in your arteries. A surge of blood moving through. | The movement of blood in your arteries. A surge of blood moving through. |
| How can recovery rate be used to tell hoe fit your heart is? | If your heart goes back to resting rate quickly it is healthy, if it takes a long time, your heart isn't as efficent. | If your heart goes back to resting rate quickly it is healthy, if it takes a long time, your heart isn't as efficent. |
| How does being overweight affect pulse rate? | It is highter because your body has to work harder to lug around extra weight. | It is highter because your body has to work harder to lug around extra weight. |
| Structure of heart: 4 chambers | can pump more blood | can pump more blood |
| Structure of heart: Muscular | can pump | can pump |
| Structure of heart: Valves | prevent backflow of blood | prevent backflow of blood |
| Pathway of blood cell | right artium-right ventricle-Pulmonary artery-artery-cappillaries-sm. Veins-veins-pulmonary vein-left artium-left ventricle-aorta-arteries-cappillaries-sm.veins-veins-vena cava-right atrium | right artium-right ventricle-Pulmonary artery-artery-cappillaries-sm. Veins-veins-pulmonary vein-left artium-left ventricle-aorta-arteries-cappillaries-sm.veins-veins-vena cava-right atrium |
| Gas exchange | in cappillaries | cell walls are 1 cell, can happen quicker |
| Systolic blood preassure | Blood preassure when heart is Beating | Blood preassure when heart is Beating |
| Diastolic blood preassure | Blood preassure when heart is Resting | Blood preassure when heart is Resting |
| Arteries | Thick walls-to keep blood in under preassure, arteries are close to the heart | Thick walls-to keep blood in under preassure, arteries are close to the heart |
| Veins | Valves- prevent backflow of blood, blood under low preassure, easily can flow backward if muscle isn't moving | Valves- prevent backflow of blood, blood under low preassure, easily can flow backward if muscle isn't moving |
| Cappillaries | thin walls- 1 cell, diffusion, faster, easer | thin walls- 1 cell, diffusion, faster, easer |
| What is in blood | red blood cells, white blood cells, plasma, platlets | red blood cells, white blood cells, plasma, platlets |
| Red blood cells | transport nutrients, hemoglobin helps hold nutrients shape: morse surface area to hold O2, no nuclues. | Middle, most numerous |
| White blood cells | can squeese therough wall, go to fight infections | biggest, squishy, least numerous |
| platlets | membrane, close cut | Smallest, medium numerous |
| Plasma | liquid, hleps blood move | 55% |
| What an you do to main tain a healthy heart? | Don't eat too much fat, excercise, don't smoke, reduce stress | Don't eat too much fat, excercise, don't smoke, reduce stress |
| What are the components of plasma, and what are their jobs? | Components: vitamins, glucose, antibodies, enzymes, hormones, protien, water | Jobs; gluclose:food for cells, water: helps flow, protien:blod clot, antibodies: help fight germs |
| Shock | opening of cappillaries/loss of blood | stay calm and hydrated |
| Heart attack | part of heart stops contracting | Don't eat too much fat, excercise, don't smoke, reduce stress |
| Hypertension | salt, niccotine, clogged arteries | Don't eat too much fat, excercise, don't smoke, reduce stress |
| Arteriosclerosis | Build up of colesteral in artery walls | Don't eat too much fat, excercise |
| Stroke | Bllod vessels in brain rupture | Don't eat too much fat, excercise, don't smoke, reduce stress |
| Arrhythmia | Pacemaker is off | less caffine, don't smoke, low colestral, excercise, de stress |
| what does blood preassure tell us? | It tells us how much preassure is being put on our atery walls. | It tells us how much preassure is being put on our atery walls. |
Created by:
T800
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