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May 26, 2024 · The human body is the physical substance of the human organism. 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.
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% water for a total 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.
Jun 20, 2023 · 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...
Nov 3, 2023 · 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.
Jan 26, 2024 · 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...
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. The biology of the human body includes.
