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प्रश्न
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
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उत्तर
Aquatic species breathe more quicker than terrestrial organisms because oxygen supply in water is lower than on land, hence aquatic organisms must work harder to collect the oxygen they require.
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संबंधित प्रश्न
Write the functions of Kidney
Define excretion.
Draw a neat labelled diagram of the human excretory system.
What is meant by dialysis? What type of patients are put on dialysis?
Fill in the blank.
.................. produces bile pigments from the heamoglobin of broken RBCs.
Differentiate between the following pairs of term :
Renal pelvis and renal papilla
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'.
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
The kidney is composed of number of neurons.
Study the diagram given alongside and then answer the question that follow:
What is the technical term given to the process occurring in 2 and 3? Briefly describe the process.
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?
Name the Following
The Inner concave margin of kidney.
Name the Following
The branch of renal artery which enters into Bowman’s capsule.
Choose the correct option.
In human beings, uric acid is formed due to metabolism of ______.
Choose the correct option.
Specific gravity of urine would _______ if level of ADH increases.
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
Adult frog is an amphibian, its mode of excretion is ______.
The product of the process of deamination is ______.
When uric acid is produced in excess, it gets deposited in joints, resulting in ____________.
Name the following:
The main nitrogenous waste formed in the body.
