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Characteristic of the vertebrate form, the human body has an internal skeleton with a backbone, and, as with the mammalian form, it has hair and mammary glands. Learn more about the composition, form, and physical adaptations of the human body.
The human body is composed of elements including hydrogen, oxygen, carbon, calcium and phosphorus. These elements reside in trillions of cells and non-cellular components of the body. The adult male body is about 60% total body water content of some 42 litres (9.2 imp gal; 11 US gal).
There are 12 major anatomy systems: Skeletal, Muscular, Cardiovascular, Digestive, Endocrine, Nervous, Respiratory, Immune/Lymphatic, Urinary, Female Reproductive, Male Reproductive, Integumentary. Select a system below to get started.
There are two parts of the skeleton; axial and appendicular. The axial skeleton consists of the bones of the head and trunk. The appendicular skeleton consists of the bones within the limbs, as well as supporting pectoral and pelvic girdles. There are 206 bones in an adult human body.
Learn human anatomy with names & pictures in our brief guide. Perfect for students & medical professionals to know about human body parts.
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...
The human body is a complex network of systems that work together to keep life-sustaining processes running smoothly. These systems break down food for fuel, clear away waste, repair damaged...
Chapter 1. Body Structure. Sharon Lagarde. Unit Outline. Part 1: Body Systems. Part 2: Anatomical Terminology. The Anatomical Position. Regional Terms. Directional Terms. Body Planes. Body Cavities and Serous Membranes. Practice. Learning Objectives. At the end of this unit, you should be able to:
There are 11 major organ systems in the human body. Circulatory system. The circulatory system is a body-wide network of blood, blood vessels, and lymph. Powered by the heart, it is the...
By Alexandra Villa-Forte, MD, MPH, Cleveland Clinic. Reviewed/Revised Apr 2022 | Modified Sept 2022. VIEW PROFESSIONAL VERSION. The human body is a complex, highly organized structure made up of unique cells that work together to accomplish the specific functions necessary for sustaining life. Overview of the Human Body: Ce... video.