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प्रश्न
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.
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उत्तर
(i) Excretion is the process of removal of all harmful and unwanted products especially nitrogenous products from the body of living beings.
(ii) The units of the kidney are nephrons.
(iii) The dotted cortex of kidney shows the presence of nephrons (Bowman’s Capsule) in this region.
(iv) Two functions of kidney are:
(a) It expels out all the nitrogenous products produced in the body.
(b) It helps in osmoregulation.
(v) Two differences in the composition of blood flowing through blood vessels A and B are:
(a) A contains blood having a large amount of water and nitrogenous wastes while blood in B is thicker and free from toxic substances.
(b) B carries more O2 and nitrogenous waste products as it is Renal Artery. A carries CO2 and no nitrogenous products.
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संबंधित प्रश्न
Describe the structure of nephrons.
Draw a diagram of the human excretory system and label the various parts.
_____________ 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) ______________.
Answer the following in detail.
Describe the process of urine formation.
Name the following:
The vein in which urea concentration is maximum
Given below is a set of five terms. Rewrite the terms in their correct order so as to be in logical sequence.
Afferent arteriole, renal vein, secondary capillary network, glomerulus, efferent arteriole.
Name the following:
Functional unit of kidney.
Complete the following sentence with appropriate words:
The outer surface of the kidney is ______ while the inner surface is ______.
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
Bilirubin and Biliverdin are pigments which are ____________.
