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Structural Organisation of Animals | Science - Points to Remember | 10th Science : Chapter 13 : Structural Organisation of Animals

Chapter: 10th Science : Chapter 13 : Structural Organisation of Animals

Points to Remember

Leech is metamerically segmented and has 33 segments. It has two suckers which are used to attach to the body of the host. It is also involved in locomotion.

Structural Organisation of Animals (Science)

Points to Remember

·                 Leech is metamerically segmented and has 33 segments.

·                 It has two suckers which are used to attach to the body of the host. It is also involved in locomotion.

·                 The salivary glands of leech produce an anticoagulating substance called hirudin.

·                 Leech is a hermaphrodite.

·                 Rabbits are warm blooded vertebrates.

·                 Canine teeth are absent in rabbit.

·                 Respiration takes place through a pair of lungs in rabbit.

·                 The heart is four chambered consisting of two auricles and two ventricles.

·                 Urinogenital system comprises the urinary (or) excretory system and the genital (or) reproductive system.

·                 Mammary glands are modified glands of the skin and help in nourishing the young ones.



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