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Movement is when the living organism moves a body part or parts to bring without a change in the position of the organisms.
Movement is one of the important features of living beings. Plants and animals exhibit different types of movements. Gushing of microfilaments in the cells of amoeba is an example of movement. Cytoplasmic streaming occurring in plants is also a form of movement. Movement flagella, cilia, and tentacles are examples of movement in organisms. The motion of limbs, eyelids, jaws, tongue in Human beings, are also a form of movement. Some movements result in a change of position or location. Such voluntary movements are called locomotion. Walking, running, climbing, flying, swimming, etc., are forms of locomotory movements. Cells of the human body exhibit three different types of movements, namely amoeboid, ciliary, and muscular movements. For example leukocytes and macrophages exhibit amoeboid movement. Cytoskeletal elements like microfilaments are involved in the amoeboid movement. Ciliary movements occur in our internal organs. For example, the ciliary movement in the respiratory tract helps to remove dust particles and other foreign molecules entering the lungs. The cilia in the reproductive tract of females help in the movement of eggs. Movement of limbs, jaws, tongue, etc. requires muscular movements. The contractile properties of muscle help in locomotion. Locomotion requires coordinator activity of muscular, skeletal, and neural systems.