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Biology in Human Welfare

Most of them have asymmetrical body. Body of these animals con

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Most of them have asymmetrical body. Body of these animals consists of many cells with little division of labour. Hence their body is considered as a colony of different types of cells. These are sedentary animals. On their body, they bear numerous minute pores called 'ostia' through which water enters in the body cavity- spongocoel. Water leaves the body through single large opening called 'osculum'. Water is circulated in the body through the 'canal system'. During its circulation, cells of the animal body absorb food, exchange respiratory gases and release excretory products.

Uploaded: 2022-09-21T14:49:36.000Z
Duration: 6 min

Views: 5,402 students

Updated on: Sep 21, 2022

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Most of them have asymmetrical body. Body of these animals consists of many cells with little division of labour. Hence their body is considered as a colony of different types of cells. These are sedentary animals. On their body, they bear numerous minute pores called 'ostia' through which water enters in the body cavity- spongocoel. Water leaves the body through single large opening called 'osculum'. Water is circulated in the body through the 'canal system'. During its circulation, cells of the animal body absorb food, exchange respiratory gases and release excretory products.

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Question Text	Most of them have asymmetrical body. Body of these animals consists of many cells with little division of labour. Hence their body is considered as a colony of different types of cells. These are sedentary animals. On their body, they bear numerous minute pores called 'ostia' through which water enters in the body cavity- spongocoel. Water leaves the body through single large opening called 'osculum'. Water is circulated in the body through the 'canal system'. During its circulation, cells of the animal body absorb food, exchange respiratory gases and release excretory products.
Updated On	Sep 21, 2022
Topic	Biology in Human Welfare
Subject	Biology
Class	Class 11
Answer Type	Video solution: 1
Upvotes	94
Avg. Video Duration	6 min

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