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प्रश्न
What is urethra?
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उत्तर
Urethra is the small opening that carries urine out of the body.
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संबंधित प्रश्न
Mention the exact location of the Prostate gland.
What job is done by the kidneys?
What are the methods used by plants to get rid of their waste products?
State if the following statement is true or false. Correct the statement if it is false.
Liver produces bile pigments from the hemoglobin of broken RBCs.
Tick the most appropriate answer.
Quinine is used in the treatment of
Differentiate between
tannins and resins
Why is it necessary to maintain a normal osmotic concentration of the blood?
Choose the correct answer:
A condition of failure of kidney to form urea is called ____________
Differentiate between:
Renal cortex and Renal medulla.
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?
Given below is a simple diagram of the human kidney cut open longitudinally. Answer the following questions:
c
(v) Write two differences in the composition of the blood flowing through blood vessels A and B.
Give Technical Term:
The organ which filters out urea and uric acid from the bloodstream.
Complete the following sentence with appropriate word:
______ is the functional unit of kidney.
Write the functional activity of the following structure: Renal vein
Choose the correct option.
Visceral layer : Podocytes :: PCT : ________.
Answer the following question.
State the role of liver in urea production.
Answer the following question.
Birds are uricotelic in nature. Give reason.
The habitat of animals that excrete nitrogenous waste in the form of urea.
The mode of excretion of nitrogenous wastes like ammonia which takes place by simple diffusion is called ______.
Given below is a list of substances - select the ones that need to be eliminated from the body.
Glucose, excess water, amino acids, urea, carbon dioxide, excess common salt, glycogen, uric acid.
