Excretory System in Human
Excretory System in Human: Overview
This topic covers concepts, such as, Vasa recta, Juxtaglomerular Apparatus, Loop of Henle & Distal Convoluted Tubule etc.
Important Questions on Excretory System in Human
Glomeruli are confined to

Formation of concentrated (hyperosmotic) urine in vertebrates generally depends on

Which of the following is NOT lined by squamous epithelium?

The medulla is compossed of a finely striped substance arranged in several conical _____.

Seven million nephrons are present in two kidneys.

The blood is thicker in _____ arterioles as compared to efferent arterioles.

Name the structural and functional unit of the kidney. (Scientific term)

Select the odd one out:

Select the odd one out:

The functioning of the kidneys is efficiently monitored and regulated by

Reabsorption of the useful products takes place in the distal convoluted tubule part of the renal tubule in the human body.

Select the correct statement

The given diagram represents a single nephron from a mammalian kidney. Identify which of the numbered regions is
I. The site of ultrafiltration
II. Particularly sensitive to ADH
III. The main site for the reaborption of glucose and amino acid
IV. Largely responsible for the adjustment of blood pH

Match the excretory functions of section I with the parts of the excretory system in section II. Choose the correct combinations from among the answers given
Section I | Section II | ||
(i) | Ultrafiltration | (a) | Henle's loop |
(ii) | Concentration of urine | (b) | Ureter |
(iii) | Transport of urine | (c) | Urinary bladder |
(iv) | Storage of urine | (d) | Malpighian corpuscles |
(e) | Proximal convoluted tubules |

A fall in glomerular filtration rate (GFR) activates

Which hormones are related to the juxtaglomerular apparatus?

Where are the proximal and distal convoluted tubules located within the human body?

Columns of Bertini allows the cortex to be better anchored.

Cortical nephrons are found in the renal medulla.

Explain the difference between Kidneys and Lungs.
