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Sep 19, 2024 · An organ system is a group of organs that work together in the body to perform a complex function, such as pumping blood or processing and utilizing nutrients. 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.
- Skeletal system. The skeletal system is composed of bones and cartilages. There are two parts of the skeleton; axial and appendicular. The axial skeleton consists of the bones of the head and trunk.
- Muscular system. The muscular system consists of all the body muscles. There are three muscle types; smooth, cardiac and skeletal muscles. Smooth muscle is found within walls of blood vessels and hollow organs such as the stomach or intestines.
- Cardiovascular system. The cardiovascular system is comprised of the heart and the circulatory system of blood vessels. The heart is composed of four chambers; two atria and two ventricles.
- Respiratory system. The respiratory system consists of a series of organs; the nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles and lungs (alveoli).
5 days ago · The nine major organ systems in the human body are the integumentary system, the musculoskeletal system, the respiratory system, the circulatory system, the digestive system, the excretory system, the nervous system, the endocrine system, and the reproductive system.
- The Editors of Encyclopaedia Britannica
Sep 30, 2012 · 1. Skeletal system. This system consists of the bones of the body. These bones are made of bone cells and cartilage cells, which are hardened. Image by: wiki commons. They provide the body with a proper shape, frame, and support for the organs. In some places, they form bony compartments.
Jan 26, 2024 · Learn about the vital and non-vital organs of the body and their functions, as well as the organ systems that support them. See an interactive body map and diagram of the organs and their locations.
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.
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Figure 1.3.2 1.3. 2: Organ Systems of the Human Body. Organs that work together are grouped into organ systems. Organ systems of the human body seen in the image above include the integumentary system, skeletal system, muscular system, nervous system, endocrine system, and the cardiovascular system.
