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