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