how the kidney works crash course

How do the kidneys remove wastes from the blood?

Direct link to Joanne's post “Kidneys remove wastes fro...” Kidneys remove wastes from blood. The nephron is the place where blood is filtered and wastes are removed. Each kidney has over 1 million of these nephrons or functional units that do this job.

How many liters of blood pass through the kidneys every minute?

Both. 1 litre of blood passes through the kidneys every minute, but not all of that is filtered. 180 L/day is filtered, meaning that it passes through the capillary basement membrane into the glomerular capsules, and passes through the tubules.

How much blood passes through the vasa recta in the kidney?

From that ~400ml/min of blood pass into the vasa recta to provide oxygen and nutrients to the kidneys so they can function. This leaves us with *~600ml/min of blood to be filtered* (aka the ERPF (effective renal plasma flow)).

How do the kidneys work Crash Course?

8:0210:17Urinary System, Part 1: Crash Course Anatomy & Physiology #38 - YouTubeYouTubeStart of suggested clipEnd of suggested clipCapillaries. Ready to leave the kidneys. This stuff is going to like emptying your pockets of anyMoreCapillaries. Ready to leave the kidneys. This stuff is going to like emptying your pockets of any last wads of tissue or crumpled receipts as you're walking a bag of trash to the curb.

How do kidneys work?

Here's how kidneys perform their important work: Blood enters the kidneys through an artery from the heart. Blood is cleaned by passing through millions of tiny blood filters. Waste material passes through the ureter and is stored in the bladder as urine. Newly cleaned blood returns to the bloodstream by way of veins.

What are the 4 processes of the kidney?

The nephrons of the kidneys process blood and create urine through a process of filtration, reabsorption, and secretion. Urine is about 95% water and 5% waste products. Nitrogenous wastes excreted in urine include urea, creatinine, ammonia, and uric acid.

What are the steps of kidney formation?

Kidney development proceeds in three sequential stages along the urogenital ridge in a rostro-caudal direction, forming first the pronephros, followed by the mesonephros, and finally the metanephric kidney at the caudal end of the urogenital ridge.

How do you explain kidney to a child?

The kidneys filter the blood and take out all the waste in the blood. The kidneys send the waste on to the bladder in the form of urine. Kidneys are part of team! Our bodies have important parts that work together just like a team.

What is kidney short answer?

One of a pair of organs in the abdomen. The kidneys remove waste and extra water from the blood (as urine) and help keep chemicals (such as sodium, potassium, and calcium) balanced in the body. The kidneys also make hormones that help control blood pressure and stimulate bone marrow to make red blood cells.

What are the 7 functions of the kidney?

How Your Kidneys Workremove waste products from the body.remove drugs from the body.balance the body's fluids.release hormones that regulate blood pressure.produce an active form of vitamin D that promotes strong, healthy bones.control the production of red blood cells.

What are the 3 main functions of the kidneys?

The kidneys perform many crucial functions, including: maintaining overall fluid balance. regulating and filtering minerals from blood. filtering waste materials from food, medications, and toxic substances.

What are the 6 steps of urine formation?

0:456:56Formation of Urine - Nephron Function, Animation. - YouTubeYouTubeStart of suggested clipEnd of suggested clipThere are three steps in the formation of urine glomerular filtration tubular reabsorption andMoreThere are three steps in the formation of urine glomerular filtration tubular reabsorption and secretion.

How does water turn into pee?

The large intestine (colon) also absorbs some water. Nearly all the water is absorbed into the bloodstream from the small intestine. The excess fluid absorbed in the blood is filtered by the kidneys, which produce the urine that is transported to the bladder.

How is pee produced?

Urea, together with water and other waste substances, forms the urine as it passes through the nephrons and down the renal tubules of the kidney. Two ureters. These narrow tubes carry urine from the kidneys to the bladder.

What is structure of kidney?

Structure. The kidneys are two bean-shaped organs that are roughly the size of a fist. A tough, fibrous renal capsule surrounds each kidney and provides support for the soft tissue inside. Beyond that, two layers of fat serve as further protection. The adrenal glands lie on top of the kidneys.

How much blood is filtered in the kidneys?

Both. 1 litre of blood passes through the kidneys every minute, but not all of that is filtered. 180 L/day is filtered, meaning that it passes through the capillary basement membrane into the glomerular capsules, and passes through the tubules.

How many nephrons are there in a kidney?

A nephron is the functional unit of a kidney that filters urea from blood and makes urine. Each kidney has about a million nephrons. Comment on Joanne's post “A nephron is the functional unit of a kidney that ...”.