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- Blood is filtered through the bowmans capsule (large proteins are left in the bloodstream). The fluid that remains in the nephron after filtration is called the filtrate.
- The filtrate enters the proximal tubule. Glucose, amino acids, and water are secreted (released into bloodstream). The filtrate begins to darken with less water in it.
- The filtrate then moves on to the Loop of Henle. On descent, water leaves the filtrate by osmosis and on ascent; sodium and chloride leave the filtrate by active transport. This is necessary to produce concentrated urine. The loop of henle becomes less permeable as it goes ascends so less sodium and chloride leave the filtrate as the filtrate makes its way up the loop.
- The filtrate then moves on to the Distal Tubule where pH is regulated and sodium potassium, and calcium levels are controlled. The filtrate becomes more concentrated here.
- The filtrate then moves into the Collecting Duct. The collecting duct is what connects the nephrons to the ureter. It participates in electrolyte and fluid balance through reabsorption and excretion.
(I did this for a Grade 12 Biology lab so this is just a collection of stuff I got off the internet from various good sources! anybody else who was just as confused as I was when I got this question!)
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Where are the majority of nephrons located?
The majority of nephrons are located in the cortex of the kidney. These cortical nephrons play a crucial role in the filtration and reabsorption of substances from the blood to form urine.
What are the filters inside a kidney called?
The filters inside a kidney are called nephrons. Each kidney contains thousands of nephrons, which are responsible for filtering waste and excess substances from the blood to form urine.
What is the urine forming structure in the kidney?
nephrons
What substances are filtered by nephrons then excreted?
Nephrons in the kidneys filter waste products such as urea, creatinine, uric acid, and excess electrolytes from the blood. These substances are then excreted in the form of urine.
In the kidneys the tiny tubules that produce urine are called?
nephrons
Which process is the first step in the formation of urine in the nephrons?
filtration
Individual tiny filters that separate wastes from useful materials in the blood and number more than 1 million in each kidney?
These are called nephrons, and they are the functional units of the kidneys. Each nephron consists of a glomerulus, which filters blood, and a tubule, which processes the filtrate to form urine. The kidneys contain millions of nephrons that work together to regulate the composition of blood and produce urine.
Where are nephrons located in the human body?
Nephrons are located in the kidneys. They are the functional units responsible for filtering waste and excess substances from the blood to form urine. Each kidney contains millions of nephrons.
What anatomically funcional unit is responsible for urine formation?
The nephron is the anatomically functional unit responsible for urine formation in the kidneys. It consists of a glomerulus, proximal tubule, loop of Henle, distal tubule, and collecting duct that work together to filter blood, reabsorb essential substances, and excrete waste products to form urine.
Where does the urine go after exits the kidneys?
urine is collected from all of the nephrons and then flow out of the kidney through the ureter.
The millions of structures in the kidneys that filter toxins out of urine are called?
The structures in the kidneys that filter toxins out of urine are called nephrons. Each kidney contains approximately one million nephrons, which are responsible for filtering waste products and regulating the body's water and electrolyte balance.
What filters solid waste particles of the blood?
Kidneys
