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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 ...
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. The word organ comes from the Latin organum, which means “instrument”. This in turn comes from the Greek word ὄργανον (órganon), which refers to a musical instrument or ...
Jan 4, 2024 · There are 11 major organ systems in the human body: The circulatory (cardiovascular) system. The lymphatic system. The respiratory system. The integumentary system. The endocrine system. The gastrointestinal (digestive) system. The urinary (excretory) system. The musculoskeletal system.
Mar 21, 2024 · Typical of mammalian structure, the human body shows such characteristics as hair, mammary glands, and highly developed sense organs. Beyond these similarities, however, lie some profound differences. Among the mammals, only humans have a predominantly two-legged posture, a fact that has greatly modified the general mammalian body plan.
- The Editors of Encyclopaedia Britannica
- What is the chemical composition of the human body?Chemically, the human body consists mainly of water and organic compounds—i.e., lipids, proteins, carbohydrates, and nucleic acids. The human body...
- What are the four main types of tissue in the human body?The four main types of tissue in the human body are epithelial, muscle, nerve, and connective.
- What are the nine major organ systems in the human body?The nine major organ systems in the human body are the integumentary system, the musculoskeletal system, the respiratory system, the circulatory sy...
The Anatomy of the Ear. The Anatomy of the Cornea. The Anatomy of the Iris. The Anatomy of the Adrenal Gland. Gallbladder Function and Anatomy. The Anatomy of the Carpal Tunnel. The Anatomy of the Vas Deferens. Organs are the body's vital structures, using complex structures to perform specialized tasks. Learn more about how different organs ...
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Mar 10, 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. In the more advanced animals, there are usually 10 organ systems: integumentary, skeletal ...
Nov 3, 2023 · System of organs. A group of organs that work together to perform one or more functions in the body. Musculoskeletal system. Mechanical support, posture and locomotion. Cardiovascular system. Transportation of oxygen, nutrients and hormones throughout the body and elimination of cellular metabolic waste.
