Advertisements
Advertisements
Question
Give biological reasons for the following statements: There is frequent urination in winter than in summer
Advertisements
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
Why is it necessary to excrete waste products?
The Biological/technical term for The removal of nitrogenous wastes from the body
The form in which glucose in stored in liver.
Answer the following in short.
Define transpiration in plants.
Given below is a simplified diagram of the human kidney cut open longitudinally. Answer the questions that follow.
 |
- Define excretion.
- Why does the cortex of the kidney show a dotted appearance?
- Why does the medulla of the kidney show a striped appearance?
- Write two differences in the composition of the blood flowing through the blood vessels 'A' and 'B'.
Label the diagram given below :
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Write two differences in composition of the blood flowing through the blood vessels, 'A' and 'B'.
Name the Following
The division of the kidney which is light in colour and subdivided into conical renal pyramids.
Name the Following
The process by which kidneys regulate the water content of the body.
Name the following:
The main nitrogenous waste formed in the body.
