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