Class 7 Exam > Class 7 Questions > In insects, air enters the body througha)Spir...
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In insects, air enters the body through
- a)Spiracles
- b)Gills
- c)Lungs
- d)Skin
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
In insects, air enters the body througha)Spiraclesb)Gillsc)Lungsd)Skin...
Insect bodies have openings, called spiracles, along the thorax and abdomen. These openings connect to the tubular network, allowing oxygen to pass into the body, regulating the diffusion of CO2 and water vapor.
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In insects, air enters the body througha)Spiraclesb)Gillsc)Lungsd)Skin...
Air entry in Insects
In insects, air enters the body through specialized respiratory structures called spiracles.
What are Spiracles?
Spiracles are tiny openings located along the sides of an insect's body.
These openings lead to a network of tubes called tracheae that branch throughout the insect's body.
How does Air Enter Through Spiracles?
When an insect breathes, it opens and closes its spiracles to let air in and out.
The tracheae carry the oxygen-rich air to the insect's cells, where it is used in respiration.
The tracheae also carry carbon dioxide, a waste product of respiration, out of the body through the spiracles.
Other Respiratory Structures
Some aquatic insects, such as mayflies and dragonflies, have gills that allow them to extract oxygen from water.
However, most insects rely solely on spiracles and tracheae for respiration.
Conclusion
Insects have specialized respiratory structures called spiracles, which allow air to enter their bodies.
These spiracles lead to a network of tubes called tracheae, which carry oxygen-rich air to the insect's cells and remove waste carbon dioxide.
In insects, air enters the body through specialized respiratory structures called spiracles.
What are Spiracles?
Spiracles are tiny openings located along the sides of an insect's body.
These openings lead to a network of tubes called tracheae that branch throughout the insect's body.
How does Air Enter Through Spiracles?
When an insect breathes, it opens and closes its spiracles to let air in and out.
The tracheae carry the oxygen-rich air to the insect's cells, where it is used in respiration.
The tracheae also carry carbon dioxide, a waste product of respiration, out of the body through the spiracles.
Other Respiratory Structures
Some aquatic insects, such as mayflies and dragonflies, have gills that allow them to extract oxygen from water.
However, most insects rely solely on spiracles and tracheae for respiration.
Conclusion
Insects have specialized respiratory structures called spiracles, which allow air to enter their bodies.
These spiracles lead to a network of tubes called tracheae, which carry oxygen-rich air to the insect's cells and remove waste carbon dioxide.
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Community Answer
In insects, air enters the body througha)Spiraclesb)Gillsc)Lungsd)Skin...
Insects breathe through spiracles.
Explanation:
Spiracles are small openings in the exoskeleton of insects that allow air to enter the body. These openings are connected to a network of tiny tubes called tracheae, which distribute air to the rest of the body.
Unlike mammals, insects don't have lungs. Instead, they have a system of internal tubes that deliver oxygen directly to the tissues. This system is much more efficient than our lungs, allowing insects to extract more oxygen from the air and use it more effectively.
Insects can control the opening and closing of their spiracles to regulate the amount of air that enters their body. This is important for conserving water, as insects can lose a lot of moisture through their spiracles if they leave them open all the time.
Overall, the spiracle-tracheae system is a unique adaptation of insects that allows them to breathe efficiently and survive in a variety of environments.
Explanation:
Spiracles are small openings in the exoskeleton of insects that allow air to enter the body. These openings are connected to a network of tiny tubes called tracheae, which distribute air to the rest of the body.
Unlike mammals, insects don't have lungs. Instead, they have a system of internal tubes that deliver oxygen directly to the tissues. This system is much more efficient than our lungs, allowing insects to extract more oxygen from the air and use it more effectively.
Insects can control the opening and closing of their spiracles to regulate the amount of air that enters their body. This is important for conserving water, as insects can lose a lot of moisture through their spiracles if they leave them open all the time.
Overall, the spiracle-tracheae system is a unique adaptation of insects that allows them to breathe efficiently and survive in a variety of environments.
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In insects, air enters the body througha)Spiraclesb)Gillsc)Lungsd)SkinCorrect answer is option 'A'. Can you explain this answer?
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