Full Definition of VARIATION. 1. a: the act or process of varying: the state or fact of being varied b: an instance of varying c: the extent to which or the range in which a thing varies. 2.: declination 6. a change in the form, position, condition, or amount of something. : something that is similar to something else but different in some way. music: a repeated version of a short piece of music with changes in its rhythm, tune, or harmony.
Types of human physiology. Human physiology is the study of functions of the human body that can be divided into the following types:. Cell physiology. This is the cornerstone of human physiology; it is the study of the functions of cells. Special physiology. This is the study of the functions of special organs.
Physiology and anatomy are the branches of biology. Physiology deals with the study of organs and organ systems. The organ systems in the human body are respiratory system, circulatory system, nervous system, cardiovascular system, skeletal system. Emphasis is laid on the functions carried out by the different systems.Anatomy studies the structure of a living body.ristotle was the first person to think about the structure and functions of organs. Hippocrates who is also known as the father of medicine contributed significantly to the development of physiology. Physiology studies the overall functioning of the body.