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प्रश्न
Differentiate between:
Renal cortex and Renal medulla.
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उत्तर
| Renal cortex | Renal medulla |
| It is dark red in colour. | It is light red. |
| It forms the outer layer of the kidney. | It forms the inner layer of the kidney. |
| It contains the Malpighian corpuscles, the proximal and distal parts of the renal tubule. | It contains elements of Henle’s loop and the collecting tubules. |
APPEARS IN
संबंधित प्रश्न
_____________ secreted by the (ii) _____________ lobe of the pituitary gland. If this hormone secretion is reduced, there is an increased production of urine. This disorder is called (iii) ____________. Sometimes excess glucose is passed with urine due to hyposecretion of another hormone called (iv) _____________ leading to the cause of a disease called (v) ______________.
The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :
(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).
Differentiate between
excretion and transpiration
Given below is a diagram of a human kidney, cut open longitudinally. Answer the following:
(i) Give definition of excretion.
(ii) Name the unit of kidney.
(iii) Why does the cortex of kidney show dotted appearance?
(iv) List the functions of the kidney.
Study the diagram given alongside and then answer the question that follow:
Name the stages involved in the formation of urine.
Study the diagram given alongside and then answer the question that follow:
What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
Give Technical Term:
The organ in man concerned with maintaining water balance in the body.
Complete the following sentence with appropriate words:
The outer surface of the kidney is ______ while the inner surface is ______.
The process of diffusion of solvent particles from the region of less solute concentration to a region of high solute concentration through a semi-permeable membrane is known as ____________.
Name the following:
The main nitrogenous waste formed in the body.
