Search results
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.
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.
Key points. Humans—and other complex multicellular organisms—have systems of organs that work together, carrying out processes that keep us alive. 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.
Mar 27, 2019 · Organ System Definition. 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. Humans and other mammals have many organ systems.
a part of the body of an animal or plant that performs a particular job: an external / internal / reproductive organ. an organ donor / transplant. Fewer examples. He sustained injuries to his arms, legs and several internal organs. Your ears, eyes, tongue, nose and skin are your sense organs.
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. Tissues in Organs.
organ. Part of a living thing, distinct from the other parts, that is adapted for a specific function. Organs are made up of tissues and are grouped into systems, such as the digestive system.
