Looks like Rick and Rhys already beat me to it, but their answers are pretty much spot on. Seeing as how something additional can always added to a Quora thread, thought that I'd toss this image that I found online into the mix to try and help a bit more. Take a gander at what I found: As can clearly be seen, semi trucks are pretty massive. Simply put, there's a reason that it's so important for motorists to Drive Defensively around them: they're huge. Anyway, hope that this helps! Thanks for an awesome question.
Blood tests and high blood pressure. A blood test is a quick and simple way to measure the amount of certain proteins, minerals, fats and sugars in your blood.By looking at the levels of these in your blood, your doctor can find out how well your body is working and whether or not you have certain conditions or health problems.lood tests and high blood pressure. A blood test is a quick and simple way to measure the amount of certain proteins, minerals, fats and sugars in your blood.
It also helps transport a small portion of carbon dioxide, a product of cell metabolism, from tissues and organs to the lungs, where it is exhaled. The hemoglobin test measures the amount of hemoglobin in a person's sample of blood. A hemoglobin level can be performed alone or with a hematocrit, a test that measures the proportion of blood that is made up of RBCs, to quickly evaluate an individual's red blood cells.