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प्रश्न
Tick the most appropriate answer.
The process of removing waste from the body is called
विकल्प
respiration
excretion
inspiration
expiration
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उत्तर
excretion
APPEARS IN
संबंधित प्रश्न
The diagram given below is that of a structure present in a human kidney.
Study the same and answer the questions that follow:
1) Name the structure represented in the diagram
2) What is the liquid entering part ‘1’ called?
Name two substances present in this liquid that are reabsorbed in the tubule.
3) What is the fluid that comes to part ‘2’ called?
Name the main nitrogenous waste in it.
4) Mention the three main steps involved in the formation of the fluid mentioned in (iii) above
5) Name the substance which may be present in the fluid in part ‘2’ if a person suffers from Diabetes mellitus.
Fill in the following blank with suitable word:
Bowman's capsule and tubule taken together make a..........
Name the main nitrogenous waste in the human blood. How is it removed from the blood?
Differentiate between
excretion and transpiration
Define the following term:
Osmoregulation
Explain the difference between the excretory system of humans and plants.
Describe in brief how urine is produced in the human body.
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
The main nitrogenous waste formed in the human body:
Give reason:
Excretion is a necessary process of our body.
