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प्रश्न
Describe the structure of the kidney with the help of a labelled diagram.
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उत्तर
Section through the kidney to show different regions The kidneys are composed of:
- an outer darker area called Cortex
- an inner lighter area called Medulla.
The microscopic structure of the kidney is formed of millions of tubules called renal tubules or nephrons.
APPEARS IN
संबंधित प्रश्न
Sketch and label 'structure of nephron'.
Tick the most appropriate answer.
The Bowman’s capsule and glomerulus together form the
Name the following:
Animals which excrete ammonia.
Write the functional activity of the following structure:
Ureter
Both PCT and DCT lie in the ______
Which of the following statements is not correct?
The left side of the heart receives oxygenated blood from ______.
The narrower lower part of the uterus is ______.
The following abbreviations are used in the context of excretory functions, what do they stand for?
DCT
Kidneys are vital organs for survival. Several factors like infections, injury or restricted blood flow to kidneys reduce the activity of kidneys. This leads to the accumulation of poisonous wastes in the body, which can even lead to death. In case of kidney failure, an artificial kidney can be used. An artificial kidney is a device to remove waste products from the blood through dialysis.
i. a. Name the artery that brings oxygenated blood to the kidney.
b. Name the cluster of the thin-walled blood capillaries present in the Bowman's capsule.
ii. In the human excretory system, name the organ which stores urine. Is this organ under hormonal control or nervous control?
iii. List two major steps involved in the formation of urine and state in brief their functions.
OR
iii. In which part of the nephron does selective reabsorption take place? List the factors which the amount of water reabsorbed depends on.
