skin is said to play an important role in excretion due to presence of
Sweat gland
Sabecious gland
Hair follicles
Hair cells

Dear Student,
 
The correct option is - sweat gland.
Kindly refer to the link provided below to the asked query:
https://www.meritnation.com/ask-answer/question/what-is-the-unique-role-of-sweating-in-our-body/matter-in-our-surroundings/4805653
 
Hope this information will clear your doubts about the topic.
If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.
 
Regards

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