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प्रश्न
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Diaphragm and _____________.
उत्तर
Diaphragm and differentiate thoracic cavity and abdominal cavity.
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संबंधित प्रश्न
What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
Out of photosynthesis and respiration in plants, which process occurs:
(a) all the time?
(b) only at daytime?
Explain why, a land plant may die if its roots remain waterlogged for a long time.
Fill in the following blank with suitable word:
Gills are the breathing organs in ___________.
What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer
State the three common features of all the respiratory organs like skin, gills and lungs.
Give the main points of difference between respiration in plants and respiration in animals.
"Respiration is a vital function of the body". Justify this statements.
Which of the following increases in muscle cells when they are lacking in oxygen?
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
During the deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in:
Which of the following statements are true about respiration?
(i) during inhalation, ribs move inward and diaphragm is raised.
(ii) the gaseous exchange takes place in the alveoli.
(iii) haemoglobin has greater affinity for carbon dioxide than oxygen.
(iv) alveoli increase surface area of the exchange of gases
When a person breathes in the air, the air enters into his body through an organ A having two holes B in it. The air then passes through the pharynx and larynx and enters into tube C. The tube C divides into two smaller tubes D at its lower end. The two smaller tubes are attached to two respiratory organs E. Each smaller tube divides inside the organs E to form a large number of still smaller tubes called F. The smallest tubes F have air-sacs G at their ends in which gaseous exchange takes place in the body of the person. What are A, B, C, D, E, F, and G?
Veins and arteries carry blood. Which of these carry blood away from the heart?
In the lungs what substance is removed from the body?
Answer this question.
Name the organ of respiration in fishes.
Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs.
|
Column I |
Column II |
|
(a) Alveoli |
(i) where aerobic respiration takes place |
|
(b) Bronchioles |
(ii) lined with hair |
|
(c) Nasal Chamber |
(iii) diffusion of gases |
|
(d) Bronchi |
(iv) small air tubes |
|
(v) an inverted Y shaped tube |
|
|
(vi) a common passage for food and air |
State one function of the following:
Intercostal muscles
Give suitable explanation for the following :
Why does a person feel breathlessness at higher altitudes?
Give Suitable Explanation for the Following :
Why do you shiver and why do your teeth chatter when it is very cold in winter?
Air that enters through the nose passes into this tube.
Respiration refers to ____________.
____________ is the maximum amount of air that the lungs can hold after a maximum forceful inspiration.
What is the ppCO2 in alveolar air?
Glycolysis process occurs in which part of the cell?
During respiration exchange of gases take place in
Which of the following is an incorrect statement?
The oxygen dissociation curve is a sigmoid curve and it shifts towards the right due to ______.
Visit a doctor. Find out about artificial respiration. Ask the doctor:
- When does a person need artificial respiration?
- Does the person need to be kept on artificial respiration temporarily or permanently?
- From where can the person get supply of oxygen for artificial respiration?
