As discussed on the previous page, the anatomy of insects includes 3 main body segments: the (head, thorax and Abdomen), all of which are covered by a chemically complex exoskeleton.The exoskeleton has portions that are hard and a waxy outer layer that is very important because it stops water loss from the body and thus keeps insects from drying out. The function of the external female reproductive structures (the genitals) is twofold: To enable sperm to enter the body and to protect the internal genital organs from infectious organisms. The compound eyes are found on their head. RESPIRATION A process of interchange of gases between environment and the blood or cellular tissues of organisms. The most visible parts of the body of an adult insect are: the head, the antennae, the mouthparts, the thorax, the wings, the legs, and the abdomen. The excretory system is made up of numerous organs that work in unison to ensure that waste is effectively removed from your body. Basic Parts of an Insect. Beer Lambert’s Law: When a monochromatic light passes through an […] Below are the details of the organs of excretory system, along with the roles they play in detoxification. The one you probably think of most is the lungs. The upper-mid portion of an insect’s face is […] For illustrations to accompany this article see Insect Structure and Function Out of all appendages only mouth parts are described here as feeding apparatus, followed by the process of feeding. Let's Draw the Parts of an Insect! 2. Head: The anterior part of an insect body with eyes, antennae, and mouthparts. Each insect must have three body parts, two antennae, and 6 legs. Biting and Chewing: This type of mouth parts are supposed to be the most primitive type as the other types are believed to be evolved from biting and chewing type of mouth parts. The American cockroach is the largest cockroach found in houses. Walking, flight, vision, breathing system, feeding methods, internal structures. ... Insect External and Internal Structures and Functions - Duration: 16:26. The basic parts of the human body are the head, neck, torso, arms and legs. Meaning of Spectrophotometer 2. The insect head was designed primarily for sensory purposes because of the fact that the eyes and the antenna of an insect is situated on the head. (iv) In cockroach the saliva contains amylase for the digestion of starch. The reproductive parts of a flower consist of the following: Stamen: This is the male reproductive organ and is also known as Androecium. Learn the parts that make up an insect with this illustrated guide to a grasshopper. Biology notes & biological drawings on insects: structure & function. Mandibles: These are important for the mastication of food. 1. Each student will have a photograph (or live insect - ant or cricket) of an insect that he/she will use to make sure his/her insect has the correct body parts in the correct spots. Grasshopper, any of a group of jumping insects of the suborder Caelifera that are found in a variety of habitats. Consider this example, used in an identification key to differentiate… The thorax on the other hand plays a very important role in insect movement and locomotion. Additional information on the insect head can be found in the mouthpart module. There's a head, a thorax and an abdomen. This module illustrates the preceding statement. The Insect Head Insects are strongly cephalized animals, that is, many of the important functions are moved anteriorly with a high degree of merging or condensing of segments, sensory structures and neural ganglia. Females can hatch up to 150 offspring per year. These usually inhabit kitchen, bakeries, godowns, store- rooms and sewage channels. Butterfly is a beautiful flying insect with big scaly wings. In the mouth lies the tongue, which is vital for mixing and tasting food. 4. Labrum: It is the part of the upper lip. Knowing something about an insect’s diet leads us to even more information about it’s ecology and natural history. In this article we will discuss about:- 1. A Segmented Body. (v) In honey bee saliva contains invertase for sucrosedigestion (vi) In Jassid saliva contains lipase and protease for lipids and protein digestion. Many insects take in liquid food. To handle the various types of food all the appendages of cockroach act synchro­nously. - Duration: 6:45. pattyfernandezartist 16,635 views. My students may decide to add wings to their insect … The diagram highlights the basic common anatomy of an adult butterfly or moth. The Insect Head The insect head is sometimes referred to as the head-capsule and is the insect’s feeding and sensory centre. 3. Organs in the Excretory System and Their Functions. 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