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Anatomy and Physiology are the scientific study of the body structure and their functions.

Anatomy and Physiology are the scientific study of the body structure and their functions. A single organism is composed of billions and trillions of cells, tissues, and organs. These structures include both microscopic and macroscopic. Cells are microscopic structures which are examined only under the electronic microscopic, whereas organs and organ systems are macroscopic structures which can be easily seen through our naked eye. To study in detail about the structures and functions of organisms, the study of Anatomy and Physiology are applied. Both Anatomy and Physiology are derived from the Ancient Greek language, anatomy meaning study of the structure of organisms and physiology meaning the study of regular mechanisms, and their interactions that function within a living system.

  Anatomy is a branch of natural science and biology which includes:  Human anatomy , animal anatomy, and plant anatomy. Among these three, human anatomy was the first studied and applied for examining the internal structures, injuries and the other wounds of an individual. There are several branches of human anatomy.

This anatomy mainly deals with the study of large body parts those which can be seen easily through our naked eyes. For example Anatomy of the kidney, anatomy of the heart, anatomy of lungs, etc. Gross anatomy is further classified into regional anatomy, systemic anatomy, and surface anatomy.

This anatomy mainly deals with the study of very small and minute structures those which can only be examined through the microscope. For example Different types of cells.  Microscopic anatomy is further classified into cytology and histology. Cytology deals with the study of human  blood cells  and Histology deal with the study of different tissues in the human body.

This anatomy is mainly used to study the different structural changes in the body which occurs throughout the lifespan. Embryology developmental anatomy is used to know completely about the development process before childbirth.

Physiology is a branch of natural science and biology which includes the study of the complete functioning system of a body. It is further classified into:

The femur is considered as the longest bone in the human body.

The two main types of human anatomy are:

The primary function of the heart valves is to allow backflow of blood.

Physiology is the study of functions of the human body and is divided into the following types:

The pulmonary veins function by carrying oxygenated blood to the heart from the lungs

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