Advertisements
Advertisements
Question
Give biological reasons for the following statements: There is frequent urination in winter than in summer
Solution
In winter, our body does not need to store much water because the outside temperatures are low. Also, very less amount of water is lost through perspiration during winter. Hence, urination is more frequent in winter than in summer.
APPEARS IN
RELATED QUESTIONS
Explain the term haemodialysis.
the biological/technical terms for the hormone increasing reabsorption of water by kidney tubules
Name the main nitrogenous waste in the human blood. How is it removed from the blood?
Name the various organs of the human excretory system.
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.
Differentiate between the following pairs of terms:
Bowman’s capsule and malpighian capsule.
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Which structure contains the highest concentration of urea?
Give Technical Terms
The hormone that helps increase the reabsorption of water from the kidney tubules.
Choose the Odd One Out:
“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason.
