In this article we will discuss about of Polygordius:- 1. External Structures of Polygordius 2. Body Wall and Coelom of Polygordius 3. Digestive System 4. Circulatory System 5. Excretory System 6. Nervous System 7. Reproductive System. External Structures of Polygordius: The body of polygordius is slender, elongated, cylindrical and measures about 2-10 cm in length (Fig. 17.41). The segmentations are [...]
In this article we will discuss about Leech:- 1. Habit and Habitat of Leech 2. External Structures of Leech 3. Body Wall 4. Coelom 5. Locomotion 6. Digestive System 7. Respiratory System 8. Circulatory System 9. Excretory System 10. Nervous System 11. Receptor Organs 12. Reproductive System. Contents: Habit and Habitat of Leech External Structures of Leech Body Wall of [...]
In this article we will discuss about Earthworm:- 1. Habit and Habitat of Earthworm 2. External Structures of Earthworm 3. Locomotor Organs 4. Body Wall 5. Locomotion 6. Digestive System 7. Respiratory System 8. Circulatory System 9. Excretory System 10. Nervous System 11. Reproductive System. Contents: Habit and Habitat of Earthworm External Structures of Earthworm Locomotor Organs of Earthworm Body [...]