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प्रश्न
State one function of the following:
Diaphragm
उत्तर
Diaphragm contributes to the enlargement of the chest cavity lengthwise.
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संबंधित प्रश्न
Carbon dioxide enters into the leaves through tiny pores present on the surface of the leaf called _________.
(a) chlorophyll
(b) chloroplast
(c) stomata
(d) epidermis
How are oxygen and carbon dioxide transported in human beings?
Out of photosynthesis and respiration in plants, which process occurs:
(a) all the time?
(b) only at daytime?
Name two animals which breathe through gills.
State whether the following statement is true or false:
Energy can be produced in cells without oxygen.
Fill in the following blank with suitable word:
The actual exchange of gases takes place in the ___________ of the lungs.
Fill in the Following Blank with Suitable Word.
_________ In the Lungs Provide a Very Large Surface Area for Gaseous Exchange.
State the three common features of all the respiratory organs like skin, gills and lungs.
From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
Describe the exchange of gases which takes place in the leaves of a plant
(a) during daytime, and (b) at night.
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:
The two organisms which breath only through their moist skin are:
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?
Out of xylem and phloem, which one carries materials upwards as well as downwards?
What happens to the glucose which enters the nephron tubule alongwith the filtrate?
Fill in the following blanks with suitable words:
The ___________ blood cells make antibodies whereas ___________ blood cells help in respiration.
Veins and arteries carry blood. Which of these carry blood back to the heart?
Answer this question.
Name the organ of respiration in fishes.
Answer this question.
What are the holes on the sides of the body of insects called?
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 |
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
'C' shaped cartilage rings and ____________.
State one function of the following:
Ciliated epithelium lining the respiratory tract
State one function of the following:
Pleural fluid
Name the substances whose build-up in the muscles during vigorous physical exercise may cause cramps?
Yeast is used in wine and beer industries because it respires
Mark the following statement as True or False. Correct the false statement.
Insects have spiracles on the lower surface of the body.
Match the correct answers with the type of respiration and respiratory substances.
| Respiration | Types of Substrates |
| A. Floating respiration | I. Proteins |
| B. Cytoplasmic respiration | II. Glucose |
| C. Protoplasmic respiration | III. Carbohydrates and fats |
