Chart Of Internal Organs In Human Body – In a multicellular organism, an organ is a collection of tissues together into a structural unit to serve a common function.

In the hierarchy of life, an organ sits between tissue and an organ system. Tissues are made up of the same type of cells to act together in a function. Tissues of different types combine to form an organ with a specific function. The intestinal wall for example is formed by epithelial tissue and smooth muscle tissue.

Chart Of Internal Organs In Human Body

Two or more organs working together in the execution of a specific body function form an organ system, also called a biological system or body system.

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The tissues of an organ can be broadly categorized as parchyma, the functional tissue, and stroma, the structural tissue with supporting, connective or auxiliary functions. For example, the glandular tissue that makes hormones is the parchyma, while the stroma includes the nerves that innervate the parchyma, the blood vessels that oxygenate and nourish it and carry away its metabolic wastes, and the connective tissue that provides a suitable place for it to be located and anchored. The primary tissues that make up a td organ have a common embryological origin, such as from the same germ layer. Organelles exist in most multicellular organisms. In single-celled organisms such as bacteria, the functional analog of an organelle is known as an organelle. In plants, there are three main organs.

Abdominal organs can be classified as solid organs, or hollow organs. The solid organs are the liver, pancreas, spleen, kidneys, and adrenal glands. The abdominal organs are the stomach, intestines, gallbladder, bladder, and rectum.

The number of organs in any organism depends on the definition used. According to a widely adopted definition, 79 organs have been identified in the human body.

Except for plasozoans, multicellular animals including humans have a variety of organ systems. These specific systems are widely studied in human anatomy. The functions of these organ systems often share significant overlap. For example, the nervous system and the endocrine system both operate through a shared organ, the hypothalamus. For this reason, the two systems are combined and studied as the neurodocrine system. The same is true for the musculoskeletal system because of the relationship between the muscular and skeletal systems.

Structural Organization Of The Human Body

In the study of anatomy, viscera (singular viscera) refers to the internal organs of the abdominal, thoracic, and pelvic cavities.

Abdominal organs can be classified as solid organs, or hollow organs. Solid organs include the liver, pancreas, spleen, kidneys and adrenal glands. The hollow organs include the stomach, intestines, gallbladder, bladder, and rectum.

The term “visceral” is compared to the term “parietal”, which means “in or related to the wall of a part of the body, organ or cavity.”

The two terms are often used to describe a membrane or a piece of connective tissue, referring to opposite sides.

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Relationships of major animal lineages and indications of how long these animals shared a common ancestor. On the left, the important organs are shown, which allows us to determine how long ago these could have evolved.

The level of organ organization in animals can first be detected in flatworms and the most derived phyla, i.e. the bilaterians. The less advanced taxa (i.e. Placozoa, Porifera, Ctophora and Cnidaria) do not show tissue consolidation into organs.

The most complex animals are composed of different organs, which have evolved over time. For example, the liver and the heart evolved from the chords about 550-500 million years ago, while the gut and the brain are even more ancient, reaching the ancestor of vertebrates, insects, molluscs, and worms about 700 -650 million years ago.

Given the ancient origin of most vertebrate organs, researchers looked for model systems, where organs evolved more correctly, and ideally evolved multiple times indepdtly. An outstanding model for this type of research is the placta, which evolved more than 100 times independently of vertebrates, evolved relatively straight in some lineages, and exist in intermediate forms in existing taxa.

Organ Systems: All 11 And What They Do

Studies on the evolution of placta have identified a variety of genetic and physiological processes that contribute to the origin and evolution of organs, including the re-purposing of existing animal tissues, the acquisition of new functional properties by these tissues, and new interactions. in different tissue types.

The flower is the reproductive organ of the angiosperm. This Hibiscus flower is hermaphrodite, and has stamens and pistils.

The study of plant organs is covered in plant morphology. Organs in plants can be divided into vegetative and reproductive. Vegetative plant organs include roots, stems and leaves. Reproductive organs vary. In flowering plants, they are represented by flowers, seeds and fruits.

In conifers, the organ that carries the reproductive structure is called a cone. In other divisions (phyla) of plants, the reproductive organs are called strobili, in Lycopodiophyta, or simply gametophores in mosses. Designation of common organ systems in plants includes the difference between shoot and root. All parts of the plant above ground (in non-epiphytes), including functionally distinct leaf and flower organs, can be classified together as shoot organ systems.

How Much Do Your Organs Weigh?

Vegetative organs are essential for maintaining the life of a plant. While there may be 11 organ systems in animals, there are far fewer in plants, where some perform vital functions, such as photosynthesis, while reproductive organs are essential in reproduction. However, if there is asexual vegetative reproduction, the vegetative organs are the ones that create new generations of plants (see clonal colony).

Many societies have an organ donation system, where organs from a living or deceased donor are transplanted into a person with a defective organ. Transplantation of larger solid organs often requires immunosuppression to prevent organ rejection or graft-versus-host disease.

Organ transplants began to take place as cystists knew more about the anatomy of organs. These came later in time as the procedures were often dangerous and difficult.

Both the source and method of obtaining organs for transplantation are major ethical issues to consider, and because organs as a resource for transplantation are always more limited than the demand for them, various notions of justice, including distributive justice, are developed in the ethical analysis. This situation will continue as long as transplantation depends on organ donors rather than technological innovation, testing, and industrial manufacturing.

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The glish word “organ” comes from the twelfth century and refers to any musical instrument. By the end of the 14th century, the meaning of the term music had narrowed to refer specifically to instruments based on the keyboard. At the same time, a second meaning arose, referring to a “body part adapted to a certain function”.

Plant organs are made up of tissues composed of different types of tissue. The three types of tissue are ground, vascular, and skin.

The adjective visceral, also splanchnic, is used for anything related to internal organs. Historically, Roman pagan priests examined the entrails of animals as haruspices or augurs in order to divine the future by their shape, dimensions or other factors.

Aristotle used the word frequently in his philosophy, both to describe plant or animal organs (e.g. the root of a tree, the heart or liver of an animal), and to describe more abstract “parts” of an interconnected whole (e.g. his logical works, taken as a whole, are referred to as the Organon).

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Some alchemists (such as Paracelsus) adopted the hermetic Kabbalah between the seven vital organs and the seven classical planets as follows:

Traditional Chinese medicine recognizes the elevated organs, which are associated with the five traditional Chinese elements and yin and yang, as follows:

The Chinese associate the five elements with the five planets (Jupiter, Mars, Venus, Saturn, and Mercury) just as the classical planets were associated with different metals. The yin and yang distinction approximates the modern notion of solid and hollow organs.

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