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प्रश्न
In cockroaches, air enters the body through ______.
पर्याय
lungs
gills
spiracles
skin
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उत्तर
In cockroaches, air enters the body through spiracles.
Explanation:
In insects (such as cockroaches and grasshoppers), tiny holes called spiracles are present on the body. Air enters the body through these holes.
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संबंधित प्रश्न
Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
Match the items in Column I with those in Column II:
| Column I | Column II | ||
| (a) | Yeast | (i) | Earthworm |
| (b) | Diaphragm | (ii) | Gills |
| (c) | Skin | (iii) | Alcohol |
| (d) | Leaves | (iv) | Chest cavity |
| (e) | Fish | (v) | Stomata |
| (f) | Frog | (vi) | Lungs and skin |
| (vii) | Tracheae |
Frogs breathe through their skins as well as their lungs.
The fishes have lungs for respiration.
Fish breathe with the help of gills which are richly supplied with blood vessels. The gills help the fish to ______.
Earthworms and frogs breathe through their skin because of which the skin of both the organisms is ______.
Mark the following statement as True or False. Correct the false statement.
Frogs can breathe through their skin as well as lungs
Cockroaches breathe with the help of air tubes called ______.
On an average, an adult human being at rest breathes 15–18 times per minute. The breathing rate, however, may differ under different conditions. Arrange the following activities given in the box in order of increasing breathing rates and give reason for your answer.
| sleeping, cycling, brisk walk, watching T.V. |
Match the names of organisms in Column I with their organs of breathing given in Column II.
| Column I | Column II | ||
| (a) | Butterfly | (i) | Lungs |
| (b) | Earthworms | (ii) | Gills |
| (c) | Sparrow | (iii) | Spiracles |
| (d) | Fish | (iv) | Skin |
