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Australasia is a subregion of Oceania, comprising Australia, New Zealand (overlapping with Polynesia), and sometimes including New Guinea and surrounding islands (overlapping with Melanesia). The term is used in a number of different contexts, including geopolitically , physiogeographically , philologically , and ecologically , where the term ...
According to the cardiocentric hypothesis, the heart is the primary location of human emotions, cognition, and awareness. [1] This notion may be traced back to ancient civilizations such as Egypt and Greece, where the heart was regarded not only as a physical organ but also as a repository of emotions and wisdom. [2]
[17] [18] [7] The broadest definition encompasses the many islands between mainland Asia and the Americas. [6] [19] [20] The island nation of Australia is the only piece of land in the area which is large enough to typically be considered a continent.
The heart is a muscular organ found in humans and other animals. This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. [3]
The boundaries of Oceania are defined in a number of ways. Most definitions include parts of Australasia such as Australia, New Zealand, and New Guinea, and parts of Maritime Southeast Asia. [5] [6] [7] Ethnologically, the islands of Oceania are divided into the subregions of Melanesia, Micronesia, and Polynesia. [8]
Heart development, also known as cardiogenesis, refers to the prenatal development of the heart. This begins with the formation of two endocardial tubes which merge to form the tubular heart, also called the primitive heart tube. The heart is the first functional organ in vertebrate embryos.
Temperate Australasia is a biogeographic region of the Earth's seas, comprising the temperate and subtropical waters of Australia and New Zealand, including both the Indian Ocean and Pacific coasts of the continent and adjacent islands. Temperate Australasia is a marine realm, one of the great biogeographic divisions of the world's ocean basins.
The following outline is provided as an overview of and topical guide to cardiology, the branch of medicine dealing with disorders of the human heart. [1] The field includes medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease and electrophysiology.