https://www.britannica.com/science/organ-biology
An organ is a group of tissues that performs a specific function in a living organism. Learn about the 10 organ systems in higher animals and the primary organs in plants from Britannica.

https://en.wikipedia.org/wiki/Organ_(music)
Learn about the organ, a musical instrument with a long history and various forms, from ancient water-powered organs to modern electronic organs. Explore the features, classification, repertoire and musicians of different organ types and styles.

https://www.merriam-webster.com/dictionary/organ
organ: [noun] a keyboard instrument in which sets of pipes are sounded by compressed air and produce a variety of timbres — called also#R##N# pipe organ. reed organ. an electronic keyboard instrument that approximates the sounds and resources of the pipe organ. any of various similar cruder instruments.

https://biologydictionary.net/organ/
Learn what an organ is, how it differs from cells and tissues, and what types of organs exist in animals and plants. Find out the names and functions of the 11 organ systems in humans and take a quiz to test your knowledge.

https://www.britannica.com/art/organ-musical-instrument
Learn about the history, types, and facts of the organ, a keyboard instrument that produces sound through pressurized air and pipes. Explore the organ's repertoire, composition, and role in Western music from ancient to modern times.

https://en.wikipedia.org/wiki/Organ_(biology)
Organ (biology) In a multicellular organism, an organ is a collection of tissues joined in a structural unit to serve a common function. [1] In the hierarchy of life, an organ lies between tissue and an organ system. Tissues are formed from same type cells to act together in a function. Tissues of different types combine to form an organ which

https://www.khanacademy.org/science/biology/principles-of-physiology/body-structure-and-homeostasis/a/tissues-organs-organ-systems
The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs. For instance, digestive system organs cooperate to process food. The survival of the organism depends on the integrated

https://dictionary.cambridge.org/dictionary/english/organ
ORGAN definition: 1. a part of the body of an animal or plant that performs a particular job: 2. a musical…. Learn more.

https://www.britannica.com/science/human-body
An organ is a group of tissues that constitutes a distinct structural and functional unit. Thus, the heart is an organ composed of all four tissues, whose function is to pump blood throughout the body. Of course, the heart does not function in isolation; it is part of a system composed of blood and blood vessels as well.

https://www.verywellhealth.com/organs-5071403
Understanding the 11 Body Organ Systems. The Anatomy of the Parotid Gland. The Anatomy of the Bladder. Anatomy of the Lungs. Testes Anatomy and Function. The Anatomy of the Thymus. The Anatomy of the Thyroid Gland. The Anatomy of the Diaphragm. The Anatomy of the Cochlea.

https://bio.libretexts.org/Bookshelves/Human_Biology/Human_Biology_(Wakim_and_Grewal)/10%3A_Introduction_to_the_Human_Body/10.4%3A_Human_Organs_and_Organ_Systems
The organ that controls those functions is the brain. In this concept, you'll be introduced to the heart, brain, and other major organs of the human body. Figure \(\PageIndex{1}\): Twemoji. Human Organs. An organ is a collection of tissues joined in a structural unit to serve a common function. Organs exist in most multicellular organisms

https://www.medicalnewstoday.com/articles/organs-in-the-body
Each organ in the body is a complex system made up of numerous smaller parts. Many organs also depend on several other body parts. For example, to properly breathe, the lungs must work with the

https://www.biologyonline.com/dictionary/organ
An organ is a collection of tissues that carries out a function or set of related ones. An organ often consists of the primary tissue that gives it its identity as well as additional tissues related to its structure and function. One or more cells make up every living thing. Amoebas are unicellular organisms, meaning they have only one cell.

https://www.dictionary.com/browse/organ-
Organ definition: a musical instrument consisting of one or more sets of pipes sounded by means of compressed air, played by means of one or more keyboards, and capable of producing a wide range of musical effects.. See examples of ORGAN used in a sentence.

https://www.khanacademy.org/science/high-school-biology/hs-human-body-systems
About this unit. Your body is an amazing system! The human body is made up of groups of organs, called organ systems, that work together to keep the body in balance. In this section, we'll travel from the circulatory system, to the nervous system, to the immune system and beyond. Learn about the amazing biology that keeps your body ticking!

https://dictionary.cambridge.org/us/dictionary/english/organ
Learn the meaning of organ as a body part, an instrument, or a newspaper. See how to use organ in different contexts and collocations with examples from various sources.

https://www.verywellhealth.com/organ-system-1298691
The urinary (excretory) system. The musculoskeletal system. The nervous system. The reproductive system. The immune system. Organ systems work together with other organ systems to keep the body in good health. For example, the circulatory and digestive systems work together to deliver nutrients throughout the body.

https://www.kenhub.com/en/library/anatomy/review-of-all-the-human-body-organs
An organ is defined as a specialised structure which is composed of different tissues that join together as a unit to perform a specific function. Multiple organs that carry out similar functions are grouped together to form organ systems. There are ten major such systems in the human body; integumentary, musculoskeletal, nervous, endocrine

https://en.wikipedia.org/wiki/Organ_system
An organ system is a group of organs that work together to perform one or more functions in a plant or animal body. Learn about the 11 organ systems in humans and the two organ systems in plants, with descriptions and component organs.

https://www.vocabulary.com/dictionary/organ
An organ is a part of your body that performs a specific function: like your brain, lungs, or skin.

https://www.genome.gov/genetics-glossary/Organ
Learn what an organ is in biology and see examples of different organs in the human body. An organ is a collection of tissues that perform a specific function, such as your heart, kidneys, or lungs.

https://en.wikipedia.org/wiki/List_of_organs_of_the_human_body
A comprehensive table of human organs, their parts, and the systems they belong to. Learn about the musculoskeletal, digestive, respiratory, urinary, reproductive, endocrine, circulatory, lymphatic, nervous, and integumentary organs.

https://www.youtube.com/watch?v=TzK-tYFGQx4
Learn the basics of organ anatomy and function from organist Anna Lapwood in this beginner's guide. Watch her demonstrate the keyboards, stops, pedals, buttons and pipes of a 3,574-pipe organ at St John's Smith Square in London.