in the ascending limb of the loop of Henle
No water is actively transported in or out of the nephron anywhere along the pathway.
Glucose and some ions and water are the main substances that diffuse (or are actively transported) across the nephron, into the blood.
Tubular secretion
A nephron, also known as a kidney, regulates water and soluble substances by filtering the blood. The nephron reabsorbs what is needed and excretes the rest as urine.
tubular secretion
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Tubular secretion
Glucose and some ions and water are the main substances that diffuse (or are actively transported) across the nephron, into the blood.
Capillary. The thin walls allow diffusion of materials to pass from the blood flow into the nephron.
The afferent arteriole.
Tubular secretion
The nephron process is where the blood enters the glomerulus and is absorbed. It is then processed through the kidney's and turned into urine.
A nephron, also known as a kidney, regulates water and soluble substances by filtering the blood. The nephron reabsorbs what is needed and excretes the rest as urine.
tubular secretion
secretion
Nephrons are NOT blood vessels in the kidneys. The nephron is a three-stage unit, located in the kidney, responsible for filtering and absorbing substances. There are about one million of these structures per kidney. # The filter unit is the primary part. Small molecules diffuse into the nephron from the capillaries. # The second stage is the reabsorption region. This is where certain molecules are actively transferred back into the blood. # Finally, the collecting duct transports the waste products to the bladder as urine.
Process whereby selected molecules are actively transported from the blood into the filtrate Process whereby selected molecules are actively transported from the blood into the filtrate
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