The kidneys filter unwanted substances from the blood and produce urine to excrete them. There are three main steps of urine formation:glomerular filtration, reabsorption, and secretion. These processes ensure that only waste and excess water are removed from the body. How is urine formed in the ...
根据最后一段中的“The amount of urine(尿液) produced and water used by an astronaut per day is about 2 kilograms. The liquids are collected and purified(净化), and then provided to astronauts to drink.”可知,目前宇航员在太空 中是通过净化宇航员的尿液和使用过的水来 获取水的。 故选D。 4...
How does urine leave the body? Describe the process of filtration of urine and how it is eliminated by the body? a. Urine exits the body by the way of the ___. Describe where urine is made, where it is stored, and how it exits the body. Where...
However, taking a blood sample in the field for later analysis in the laboratory is not practical or efficient for detaining drivers suspected of driving while impaired (DWI) or driving under the influence (DUI). Urine tests for alcohol proved to be just as impractical in the field as blood...
Diuretics act on the kidney to increase the flow of urine. They are used by athletes whose events have weight restrictions -- sports like weightlifting, horse racing and rowing. Diuretics are also used to mask the use of other drugs. Because they increase the amount of urine produced, they ...
As it turned out, a disgruntled mailman had decided not to deliver the mail; and upwards of 40,000 letters and pieces of mail were found in his attic! This time the insistence that the check is in the mail was probably true; but it would not be perceived as such by the party ...
What is aldosterone, how does it affect the filtrate, and which region of the mammalian nephron does it tend to affect? a. How do ADH and aldosterone affect urine volume, concentration, and K^+ & Na^+ concentrations? b. Which structures of th...
Nanotechnology is a very promising field to the medicinal and pharmaceutical sectors, hence, it plays an important role in enhancing humanity’s quality of life. Nanotechnology has many applications in the medical sector, including diagnosis and therapeutic. However, therapeutic uses are considered the...
The molecule is produced in the collecting duct cells and enables these cells to form a tight barrier between the urine and the medulla. Together with colleagues from Charité in Berlin and researchers from Kiel, Norway and the United States, the MDC scientists have now published their findings ...
“What CNN discovered is a systemic problem,” said retired San Diego Police Sgt. Joanne Archambault. “There are mistakes in these cases, but the worst mistake in each is the destruction of evidence.”Choose an investigation below to learn why kits were destroyed Warning: Graphic language ...