Question

Respiratory organ of leech

Answer 1

leech belongs to phyllum anelida and it's respiration is done by using its own body surface yes it's own moist body help in direct division of air

Answer 2

Hola!!

Your answer is here,

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The respiratory organ in leech is their skin. They have sensory glands on their skin which help them in respiration. Like other animals it doesn't have any specific organ for respiration.
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Espero que esto te ayude