The physiology (of the Greek φύση, phusè, nature, and λόγος, logos, the study, science) studies mechanical, physical and biochemical operation of the living organisms, animal or vegetable, their bodies and their organizations, their structures and of their fabrics. Physiology also studies the interactions of an organization and its environment. In the whole of the biological disciplines , by defining levels of organization schematically, physiology is a discipline close to the Histologie and Anatomie.

Physiology gathers the processes which she studies in great functions which are:

  • functions of Nutrition,
  • the function of reproduction,
  • functions of relation: the sensory Locomotion and functions (see the articles detailed in the list below).

Physiology comprises several subdivisions gathered in various articles:




Articles

Electrophysiology

Electrophysiology is the part of the physiology which measures the electric currents of the cells. The electric phenomists many and are varied in the organization, in particular in the fabrics excitables (Muscle, central Nervous system), the Cœur, the Rein like some Glandes.

Nervous system

The nervous system is a system in network formed of the bodies of the direction, Nerf S, Cerveau, Spinal-cord, etc With the system endocrinien (which is the whole of the Glande S secreting of the Hormone S), it ensures the Homéostasie of the organization while acting by electric impulses exerting an action on the Muscle S or the bodies.

Neurophysiology

The neurophysiology, physiology of the Brain and the nervous cells (Neuron and Cell gliale), is the part of the physiology which treats Nervous system:

Sensory physiology

Reproductive system

The reproductive system is the whole of the bodies which contribute to the reproduction of an organization. The development of the reproductive system and its good performance depend on glands secreting of the endocrine hormones.

Circulatory system

The circulatory system, whose driving body is the Cœur, transports the chemical matters, respiratory gases and the heat which the organization needs. It is thus used for the maintenance of the Homéostasie. It is composed of two subsystems:
  • cardiovascular System
  • System

The circulatory system is essential with the operation of the other systems, respiratory, nutritive, immunizing, endocrinien and thermoregulator. | valign=" top" width=" 50%" |

Respiratory system

For an animal organization, the goal of breathing is to allow the supply of the cells oxygen and the rejection of CO2. The respiratory system ensures these exchanges of vital gases at the level of the lungs; while the circulatory system transports them cells to the lungs.

Driving system, various locomotions

Digestive system, food and excretion

Digestion has as a function to transform food into physical shapes and chemical able to be absorptive and transported in the circulatory system (Sang and Lymphe) to meet the requirements in Glucide S, Lipide S, Protéine S, Vitamine S, Rock salt and Eau of the cells of an organization.

Thermoregulation

Thermoregulation makes it possible at an organization to preserve a constant temperature. It is the result of productions and heat losses. One distinguishes the organizations Homéotherme S from the Poïkilotherme S. the poïkilothermes are the animals whose internal temperature varies according to the external temperature.

Thermoregulation includes/understands two phenomena:

vegetable Physiology

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Internal bonds

External bonds

- For a biology and a intégrative physiology - Site of Gilbert Chauvet http://www.physiologie-integrative.com]

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