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Earthworm: Clitellum, Setae, Body Video Lecture - NEET

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FAQs on Earthworm: Clitellum, Setae, Body Video Lecture - NEET

1. What is the function of the clitellum in earthworms?
Ans. The clitellum in earthworms is responsible for producing a mucus ring that aids in the formation of the cocoon during reproduction. It also secretes substances that help bind the worm's body segments together during mating.
2. How do setae help earthworms move?
Ans. Setae are bristle-like structures found on the body of earthworms. They provide traction and grip on the ground, allowing the worm to move through soil and other substrates. By anchoring themselves with their setae, earthworms can push and pull their body forward.
3. What are the main body segments of an earthworm?
Ans. The body of an earthworm is divided into several segments called annuli. The three main segments are the anterior (head), middle, and posterior (tail) segments. Each segment contains specialized structures and organs that contribute to the worm's overall functioning.
4. How does the NEET system contribute to an earthworm's survival?
Ans. The NEET system, which stands for Nervous, Excretory, and Digestive system, plays a vital role in an earthworm's survival. The nervous system helps the worm respond to stimuli and coordinate its movements. The excretory system eliminates waste products, while the digestive system processes and absorbs nutrients from the soil.
5. What are some common questions about earthworms?
Ans. Some common questions about earthworms include: - How do earthworms breathe? - What do earthworms eat? - How long do earthworms live? - How do earthworms reproduce? - Are earthworms beneficial to the environment?
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