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Mar 25, 2019 · An organ is a self-contained group of tissues that performs a specific function in the body. The heart, liver, and stomach are examples of organs in humans.
Sep 21, 2024 · Organ, in biology, a group of tissues in a living organism that have been adapted to perform a specific function. In higher animals, organs are grouped into organ systems; e.g., the esophagus, stomach, and liver are organs of the digestive system.
- The Editors of Encyclopaedia Britannica
Jul 21, 2023 · Biology definition: An organ is a group of tissues that perform a specific function or group of functions. Typically, an organ would have the main tissue component that characterizes the organ and other tissues, such as those associated with the organ’s structure and function.
Mar 27, 2019 · An organ system is a group of organs that work together to perform a certain function in an organism’s body. Most animals and plants have organs, which are self-contained groups of tissues such as the heart that work together to perform one function.
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.
What are organs and why do we need them? In this lesson, we will first discuss what organs are. Then, we will learn about some of the most important organs in our body. We will make sure we know how to label them in our body. Finally, we will learn about organ donation. Download all resources.
Dec 13, 2021 · An organ is a collection of tissues joined in a structural unit to serve a common function. Organs exist in most multicellular organisms, including not only humans and other animals but also plants. In single-celled organisms such as bacteria, the functional equivalent of an organ is an organelle.
