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Science Test Space
Class 10
Structural organisation of animals
Hirudinaria granulosa (Leech)
9.
Circulatory and respiratory system of leech
Question:
3
m.
Fill in the blanks with suitable answer:
1
.
secretion keeps the leech's skin moist and slimy.
2
.
In leech's during respiration, Oxygen dissolved in water diffuses into haemocoelic fluid through the skin, whereas
diffuses out.
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