Describe in detail types of movements exhibited by organisms.

Explanation

Cells of living organisms exhibit three main types of movements :
(i) Amoeboid (ii) Ciliary (iii) Muscular.
(i) Amoeboid Movement : Such types of movement exhibited by Amoeba.
Some Specialised cells in our body like macrophages and leucocytes in blood exhibit amoeboid movement.
It is effected by pseudopodia formed by the streaming of protoplasm.
Cytoskeletal elements like microfilaments are also involved in amoeboid movement.
In amoeba such type of movement is exhibited for obtaining food or change of place.
(ii) Ciliary Movement : Occurs in most of our internal tubular organs which are lined by ciliated epithelium.
The Coordinated movements of cilia in the trachea help us in removing dust particles and some of the foreign substances inhaled along with the atmospheric air.
Paramoecium can perform various functions by the ciliary movement.
(iii) Muscular Movement : Movement of our limbs, jaws, tongue require presene of muscular movement.
Muscles shows contractility such characteristics is helpful for locomotion in human and other organsims effectively.
Lower organisms lack skeleton system but may show muscular system.
It requires perfect coordinated activity of muscular, skeletal and neural systems.