Grade 7 | Science | Respiratory Systems in Organisms | Free Tutorial | CBSE | ICSE | State Board
instyn education・2 minutes read
Different types of animals have unique respiratory systems, with insects using spiracles, earthworms breathing through their skin, frogs employing various methods, fish utilizing gills, and plants having pores for gas exchange. Each organism has evolved different respiratory adaptations to efficiently exchange gases and obtain oxygen.
Insights
- Various animals have distinct respiratory systems: insects breathe through spiracles, earthworms absorb oxygen through their skin, frogs use multiple methods including lungs and cutaneous respiration, fish rely on gills, and plants have specialized pores for gas exchange.
- The diversity in respiratory mechanisms among different organisms showcases the adaptability of life forms to their environments, emphasizing the importance of efficient gas exchange for survival and highlighting the evolution of unique biological strategies for respiration.
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Recent questions
How do insects breathe?
Insects breathe through tiny holes called spiracles on their body, allowing gas exchange through trachea.
What is the breathing mechanism of earthworms?
Earthworms absorb oxygen through their skin, circulating it through tiny blood vessels.
How do frogs breathe?
Frogs use lungs, buccal respiration, and cutaneous respiration for breathing.
What respiratory system do fish have?
Fish have gills to absorb oxygen from water for respiration.
How do plants exchange gases?
Plants have pores for gas exchange, releasing oxygen and absorbing carbon dioxide.
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