Anatomy, Physiology, Biochemistry and Microbiology

  


Anatomy, a division of biology detailed with identifying and describing the body structure of living organisms. Briefly anatomy involves the study of major body structures by dissection and observation and relates only to the human body in its narrow sense. Anatomy is a branch of biology that deals with the study of the structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, dating back to prehistoric times. And physiology is the branch of biology that deals with the normal functions of living organisms and their parts. Physiology is the scientific study of the functions and processes of a living system. As a sub-discipline in biology, physiology focuses on how organ systems, individual organs, cells and bio molecules perform both functions as chemically and physically in a living organism. So, obviously while human anatomy is the study of body structures, physiology is the study of how those structures work. For example figure in the top clearly differentiates the heart anatomy vs physiology.

 


And Biochemistry is the application of chemistry to the study of biological processes at the cellular and molecular level. It emerged as a distinct discipline in the early 20th century when scientists combined chemistry, physiology, and biology to investigate the chemistry of living systems. Biochemistry or biochemistry is the study of chemical processes in and related to living organisms. A sub discipline of both chemistry and biology, biochemistry can be divided into three areas: structural biology, entomology, and metabolism. Then, Microbiology, is the study of the biology of microscopic organisms – bacteria, algae, fungi, viruses, slime molds , fungi and protozoa. The methods used to learn and manipulate these minute and mostly unicellular organisms differ from those used in other biological investigations. Also, the methodical study of these organisms is unicellular, multicellular or acellular. Microbiology includes numerous sub-disciplines including virology, bacteriology, protistology, mycology, immunology and parasitology.

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