What is Physiology?
Physiology means the study of the normal functions of the living healthy tissues.
Disease = Deviation from the normal.
Medicine: It is the art and skills of preventing diseases. It is the science that deals with all aspects of diseases including causes, effects on body organs, diagnosis, prevention and treatment.
Medical physiology: It is the study of:
- Normal functions of organs and systems in the body.
- Derangement of functions.
- Mechanism of action and regulation of vital activities in normal and abnormal states.
- The mechanism of production of disease
- The bases of treatment of functional derangement.
Applied physiology: It is the physiology applied to a certain specialty of medicine e.g. sport medicine cardiology, ophthalmology, ect.
The characteristics of living things are:
1) Growth: Organism gets bigger:
2)Reproduction: To ensure the continuation of species.
3) Excitability: the ability of an organism to respond to a stimulus,
4) Movement:the ability to change position.
5) Absorption and Excretion:
6) Metabolism:All the chemical reactions:
a) (anabolism): A constructive process. b) (catabolism): Adestructive process
7) Respiration: The intake of oxygen into the cell and the release of carbon dioxide from the cell
Basis of the cell physiology
Structure of the cell
Composition of blood