Table of Contents
- 1 What is selective reabsorption Where does it takes place?
- 2 Where does ultrafiltration and selective reabsorption take place?
- 3 What is selective reabsorption Why is it essential?
- 4 What is selective reabsorption short answer?
- 5 What happens to glucose in selective reabsorption?
- 6 What do you understand by reabsorption?
What is selective reabsorption Where does it takes place?
Selective reabsorption is the second of the three processes by which blood is filtered and urine is formed. It involves the reuptake of useful substances from the filtrate and occurs in the convoluted tubules (proximal and distal)
Where does ultrafiltration and selective reabsorption take place?
Furthermore, ultrafiltration occurs in the glomerulus, while selective reabsorption occurs in the proximal convoluted tubule.
What region of the nephron does the majority of selective reabsorption occur?
The proximal convoluted tubule is where a majority of reabsorption occurs.
What is selective reabsorption and how does it take place?
Selective reabsorption is the process whereby certain molecules (e.g. ions, glucose and amino acids), after being filtered out of the capillaries along with nitrogenous waste products (i.e. urea) and water in the glomerulus, are reabsorbed from the filtrate as they pass through the nephron.
What is selective reabsorption Why is it essential?
Selective reabsorption occurs because during ultrafiltration, important components of the blood are filtered out and they need to be reabsorbed into the body.
What is selective reabsorption short answer?
What is selective reabsorption give its importance?
Why is selective reabsorption important?
Selective Reabsorption/ Tubular reabsorption: The filtrate that is formed per day is 180 litres/day. However, the urine released is around 1.5 litres/day. This is an important step because the filtrate contains many useful substances that need to be sent to the blood so that those substances are used by the body.
What happens to glucose in selective reabsorption?
Stage 2 – Selective reabsorption Therefore, the kidneys selectively reabsorb only those molecules which the body needs back in the bloodstream. all of the glucose which was originally filtered out. as much water as the body needs to maintain a constant water level in the blood plasma.
What do you understand by reabsorption?
Reabsorption: Being absorbed again. For example, the kidney selectively reabsorbs substances it has already secreted into the renal tubules, such as glucose, protein, and sodium. These reabsorbed substances are returned to the blood.