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