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Question
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.
Solution
Excess water, urea, carbon dioxide, excess common salt, uric acid.
RELATED QUESTIONS
State the exact location of the Loop of Henle.
Name a waste gas released by the plants only during the daytime.
Given below is a simplified diagram of the human kidney cut open longitudinally. Answer the questions that follow.
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- 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'.
Explain in your own words with suitable examples.
How does excretion occur in human beings?
Label the diagram given below :
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?
Name the Following
The process by which kidneys regulate the water content of the body.
Choose the correct option.
Which one of the following organisms excrete waste through nephridia?
What would happen if green plants disappeared from earth?
Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reasons for your answer.
