Organs in the body: Diagram and all you need to know - Medical News Today
网页2024年1月26日 · The five vital organs in the human body are the brain, heart, lungs, kidneys, and liver. Other organs include the gallbladder, pancreas, and stomach. Organ systems, such as the...
Organ - Definition, Types and Examples | Biology Dictionary
网页2019年3月25日 · 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. The word organ comes from the Latin organum, which means “instrument”.
Organ | Definition, Types, & Facts | Britannica
网页2024年7月26日 · 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.
Human body | Organs, Systems, Structure, Diagram, & Facts
网页2 天之前 · human body, the physical substance of the human organism, composed of living cells and extracellular materials and organized into tissues, organs, and systems. Human anatomy and physiology are treated in many different articles.
The 11 Organ Systems of the Body and How They Work - Verywell …
网页2 天之前 · There are 11 major organ systems in the human body: Organ systems work together to keep the body in good health. For example, the circulatory and digestive systems work jointly to deliver nutrients throughout the body. Except for the reproductive system, each system is necessary for survival.
Organ (biology) - Wikipedia
网页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.
Organ System - Definition and Examples | Biology Dictionary
网页2019年3月27日 · 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.
What are the systems of the body? Fast facts about the human …
网页2024年4月5日 · Our bodies consist of a number of biological systems that carry out specific functions necessary for everyday living. Some organs and tissues play roles in multiple systems at once.
2.3: Human Organs and Organ Systems - Biology LibreTexts
网页2022年8月28日 · 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.
List of human organs | Kenhub
网页2023年9月15日 · There are ten major such systems in the human body; integumentary, musculoskeletal, nervous, endocrine, lymphatic, cardiovascular, respiratory, digestive, urinary and reproductive. A variety of organs are found in the body; they will be explored systematically through their anatomy and function (s).