Describe the structure of a human kidney | Class 11 Biology Chapter Excretory products and their Elimination, Excretory products and their Elimination NCERT Solutions

Question:

Describe the structure of a human kidney with the help of a labelled diagram.

Answer:

Kidneys are reddish brown bean shaped organ situated between last thoracic and third lumbar vertebra. Each kidney has a notch on its inner side called hilum through which ureter, blood vessels and nerved enter. Each kidney is 10- 12 cm long, 5- 7 cm wide and 2- 3 cm thick. It weighs around 120- 170g.

  • Inside the kidney there are two zone- outer cortex and inner medulla.
  1. Medulla: The medulla is also divided into a few conical masses called medullary pyramids which projects into the calyceas.
  2. Cortex: It extends between medullary pyramids and renal column or columns of Bertini.
  • Renal pelvis: This is a broad funnel shaped space present inside the hilum.
  • Each kidney contains about a million nephrons which is known as functional unit of kidney. Each nephron has two parts: the glomerulus and renal tubules.

kidney


Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Excretory products and their Elimination.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 6: Describe the structure of a human kidney with the help of a labelled diagram.....