Term
| Functions of the cardiovascular system |
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Definition
| transport between organs, homeostasis, transport nutrients and other vital substances, transpor waste products, regulate body temperature, endocrine function |
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| Bicarbonate amounts in blood |
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Definition
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| can have a little carried as carbaminohemoglobin and plasma protein |
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| When released in the bood it will increase the pH |
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Definition
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| Varies extensively with ambient temperature |
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Definition
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| arteries, aorta, aterioles |
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Definition
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| Distributing vessels hold |
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| pressure gradients & one way valves |
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Definition
| ensure that blood flow is one way |
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Definition
| one layer thick, endothelial cells |
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Term
| Vena cava, veins, venules. account for 80% of blood volume |
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Definition
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| Right heart pumps blood through the |
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Definition
| pulmonary circulation to the lungs |
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Term
| The pulmonary artery carries blood that is... |
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Definition
| low in O2 and high in CO2 to the lungs |
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| Left heart pumps blood through |
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Definition
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Definition
| supplies O2 to the tissues and removes waste products (bronchiole does this for the lungs) |
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Term
| part of the systemic circulation |
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Definition
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| % of blood that flows through the systemic circulation must flow through the pulmonary circulation |
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Definition
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Term
| Volume at any one time is __ in pulmonary circulation |
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Definition
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Term
| Volume at any one time is __ in systemic circulation |
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Definition
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Term
| Hydrostatic blood pressure |
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Definition
| the force exerted upon the blood vessel wall by the blood present in the vessel, determined by the amount of blood in the vessel |
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| systemic circulation system |
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Definition
| includes hte heart and pulmonary circulation |
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| systemic circulation includes |
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Definition
| systemic blood vessels from the aorta tot he vena cava |
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Definition
| the rapid movement of blood over a long distance from an area of high hydrostatic pressure to a region of low hydrostatic pressure |
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Term
| T/F bulk flow is the major means by which blood flows to the vena cava & from the pulmonary artery to the pulmonary vein |
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Definition
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| The force that drives bulk flow |
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| perfusion pressure is about |
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Definition
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Definition
| the peak pressure in the major arteries that occurs during contraction |
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Definition
| the lowest pressure in the major arteries that occurs during ventricular relaxation |
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Definition
| the average pressure between systolic and diastolic |
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| what precentage of time is spent in diastole? |
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Definition
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| What precentage of time is spent in systole? |
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| The major form of transport from the capillaries to the tissues and vice versa |
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Definition
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| what provides energ for cardiac contraction? |
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Definition
| oxidative metabolism of fatty acids, & to a lesser extent lactic acid or glucose, chemical form is ATP |
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Term
| Provides about 150 molecules of ATP |
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Definition
| fatty acid- beta oxidation |
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Term
| oxidative phosphorolation, citric acid cylcle and glysolysis net yield |
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Definition
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Term
| When the heart produces energy a certain precentage of chemical energy is converted to |
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Definition
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Term
| a certain precentage of work is used to produce |
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Definition
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| the less heat produceed during metabolism |
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Definition
| the more efficient the heart |
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