In this article we will discuss about Ascaris Lumbricoides:- 1. Habit, Habitat and External Features of Ascaris Lumbricoides 2. Body Wall of Ascaris Lumbricoides 3. Body Cavity or Pseudocoel 4. Digestive System 5. Respiratory and Excretory System 6. Nervous System 7. Sense Organs 8. Reproductive System 9. Life History 10. Parasitic Adaptations. Contents: Habit, Habitat and External Features of Ascaris Lumbricoides Body Wall of Ascaris Lumbricoides Body Cavity or Pseudocoel of Ascaris Lumbricoides Digestive System of Ascaris Lumbricoides Respiratory and Excretory System Nervous System of Ascaris Lumbricoides Sense Organs of Ascaris Lumbricoides Reproductive System of Ascaris Lumbricoides Life History of Ascaris Lumbricoides Parasitic Adaptations of Ascaris Lumbricoides 1. Habit, Habitat and External Features of Ascaris Lumbricoides : Ascaris lumbricoides is an endoparasite in the small intestine of man lying freely in the lumen. It has been living in man fr...