When we add sugar to tea or coffee we might not really reflect on how much sugar we scoop up. What is one teaspoon for you may actually be two ârealâ teaspoons, which would mean you are actually consuming more calories than you thought. A normal teaspoon of sugar vs a heaped teaspoon of sugar.
they are inversely proportional (increasing area decreases velocity) therefore in large vessels like the vena cava, blood has a low velocity blood also has a low velocity in the capillary beds, because of the increased cross-sectional area produced by many capillaries.
Reduced blood flow: Reduced blood flow to the kidney can be caused by a weak heart, heart attack, or congestive heart failure. Low blood volume: Low blood volume can be caused by severe dehydration and an excessive loss of fluid, which decreases the volume of blood and the amount of blood available to the kidneys.