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