ADVERTISEMENTS: The Nervous System of Cockroach can be Divisible into Three Parts: (i) The central nervous system, (ii) Peripheral nervous system, ADVERTISEMENTS: (iii) Visceral or sympathetic nervous system. Thin tubes carry oxygen from the air to all the parts of the body. Endocrine System […] In cockroach, there is an accessory pulsatile vesicle at the base of each antenna which also pumps blood. The nervous system in cockroach is spread throughout the body. Nervous System 12. Nervous system . In the head region, the brain is represented by supra-oesophageal ganglion. After reading this essay you will learn about: 1. Feature of cockroach 3. This article describes the scope of cockroach sensory modalities that can be used to assay how an insect nervous system responds to environmental perturbations. A cockroach has three main body parts, namely the head, thorax, and abdomen. This exoskeleton is composed of two compounds – cuticulin and chitin. Sense Organs: Antennae, eyes, maxillary palps, labial palps, anal cerci, etc. 1.2) consists of the supra-oesophageal or cerebral ganglia, sub-oesophageal ganglia and circum oesophageal … It supplies nerves to antennae and compound eyes. It also has a hard outer-body covering known as the exoskeleton. This article describes the cockroach ventral nerve cord dissection and extracellular recordings from the cercal nerve and connectives. COCKROACH The slide contain about- 1. In cockroach, the respiratory system has a network of the trachea. Nervous system . Mechanism of Respiration 10. Exchange of gases takes place by diffusion. Endoskeleton 5. ADVERTISEMENTS: In this essay we will discuss about Cockroach. Classification of cockroach 2. Roaches' heads house their eyes, antennae and mouthparts. Digestive Glands 7. The nervous system of cockroach consists of a nerve ring and a ganglionated double ventral nerve cord, sub-oesophageal ganglion , circum– oesophageal connectives and double ventral nerve cord (Figure 4.13). In cockroach, there is an accessory pulsatile vesicle at the base of each antenna which also pumps blood. Digestive System 6. The cockroach ventral nerve cord preparation is a tractable system for neuroethology experiments, neural network modeling, and testing the physiological effects of insecticides. Habitat and Habits of Cockroach 2. However, much of their nervous system activity takes place in nerve ganglia located throughout their bodies. The central nervous system of cockroach (Fig. Nervous System Excretory System 11. are the sense organs in cockroach. Morphology- Head , Thorax , Abdomen 4. Morphology and Anatomy of Cockroach In this section, you will delve a bit further to examine the morphology and anatomy of cockroach. Contrary to popular perception, their heads also house their brains. The nervous system of cockroach consists of a nerve ring and a ganglionated double ventral nerve cord, sub-oesophageal ganglion , circum– oesophageal connectives and double ventral nerve cord (Figure 4.13). Anatomy 4. The spiracles are regulated by the sphincters. Evoked responses are generated by electrical stimulation of the cercal nerve or direct mechanical stimulation of the cerci. ©2006 Kinder Magic Software 9 Backyard Bugs Level 2 (Grades 3-5) Lesson: Cockroach Dissection The Nervous System of the Cockroach Use the word bank to label the picture. They open through 10 pairs of spiracles that are present on the lateral side of the body. Respiratory System 9. Heart 8. The remaining wastes leave the body through the rectum, which is also part of the excretory system. Difference between male and female cockroach 5. Respiratory System. Morphology of Cockroach 3. 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