91 public questions tagged with this topic.
The collecting duct plays a key role in concentrating urine by reabsorbing water. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function.
Aldosterone regulates sodium reabsorption in the distal convoluted tubule and collecting ducts, aiding in water retention.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Regulation of Kidney Function - RAAS ADH ANF
The juxtaglomerular apparatus (JGA) helps regulate blood pressure by releasing renin, which activates the renin-angiotensin system.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Regulation of Kidney Function - RAAS ADH ANF
The kidneys regulate blood pressure by releasing renin, which activates the renin-angiotensin system.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Regulation of Kidney Function - RAAS ADH ANF
The renal corpuscle is composed of the glomerulus and Bowman’s capsule and is responsible for ultrafiltration.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
The counter-current mechanism involving the Loop of Henle and vasa recta helps in concentrating urine by maintaining an osmolarity gradient.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
The vasa recta maintains the osmotic gradient necessary for water reabsorption and urine concentration.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
The vasa recta maintains the counter-current exchange system, helping in urine concentration.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
The ascending limb of Henle’s loop is impermeable to water but actively transports sodium and chloride ions.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
The kidney regulates acid-base balance by excreting hydrogen ions and reabsorbing bicarbonate ions.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
Uremia occurs when the kidneys fail to filter blood properly, leading to the accumulation of urea in the blood.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
The counter-current mechanism in the Loop of Henle and vasa recta creates an osmotic gradient, aiding urine concentration.
Ref: NCERT Class 11 Biology Chapter 16: Excretory Products and their Elimination Concentration of Urine - Counter Current Mechanism
