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Anatomy deals with the physical structure and location of all the internal and external organs of an organism and physiology is the study of the functions and interrelation of these organs. The understating of one domain depends on the other and hence are studied together. Understanding the placement and function of an organ is the basic step for analysing it from various disciplines.
Disciplines such as medicine, evolution, palaeontology, genetics, etc., depend on the study of anatomy and physiology for creating a foundation for studying the higher concepts. Hence all students involved in any field of biology must study this discipline as a part of their studies. ScholarOn assists with providing homework help for anatomy and physiology online.
The human body comprises of anatomical unit such as skeletal, muscular and other systems and physiological functions such as physical, biochemical, bioelectrical and mechanical. The mapping and determination of the optimal condition known as homeostasis and variation of these functions and units from that optimal condition is the purpose of studying human anatomy and physiology.
Skeleton is the framework of any organism to keep its shape together. Some skeletal systems undergo constant growth while other bones are fixed only with increase and decrease in the density. External bones such as nails or shells are termed exoskeleton while the bones covered by muscular tissue and skin is called endoskeleton. The shape and function of all organisms heavily depend on the structure and wellbeing of the skeletal system.
The system of tissues that are attached and cover the skeletal system is together known as muscular system. Skeletal muscles are controlled by voluntary command while smooth muscles react to stimulus without the command of the nervous system. The third type, cardiac muscles are involuntary and function on their own from birth to death.
The knowledge of anatomy and physiology existed as early as 1600 BCE based on the Egyptian anatomical scrolls. Various other parts of the world had mostly accurate anatomical models though the functions of the organs were depicted without similar accuracy. Modern anatomy and physiology is accepted to have started from the age of enlightenment in the 17th Century AD.
