Matching Pairs Animals Part TwoOnline version Countinuing characteristics of animals by Isadora Martinez 1 _____ consists of sheets-like structures that are covered in a very thin skin. Fish breath through these structures 2 The tubes that where susbtances in the circulartory system travel through 3 All aninmals that are NOT sponges or cnidarians need_______ _______ which transports substances throughout the body. 4 _______ _______ is responsible for receiving the signals sent by the sense organs 5 Two sponge-like organs made up of million of tiny tubes or aveoli 6 The gravity-sensitive cells of these organs provide information about position and movement of the body 7 These cells specialise in transmitting information by electrical signals called nerve impluses. 8 These type of ograns are receptors. They contain receptor cells circulartory system Neurons Vessels Lungs balance organs sense organs Gills The nervous system
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