Search results
May 26, 2024 · Learn about the structure, function, and composition of the human body, the physical substance of the human organism. Explore the tissues, organs, systems, and biochemical constituents of the body, as well as its development and aging.
Learn about the structure and function of the human body, from the skeletal system to the reproductive system, with detailed diagrams and names. Explore the anatomy of the head, neck, upper and lower limbs, and more.
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).
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.
Learn about the skeletal, muscular, cardiovascular, digestive, endocrine, nervous, respiratory, immune/lymphatic, urinary, female reproductive, male reproductive, and integumentary systems of the human body. Select a system to get started and explore its anatomy, functions, and disorders.
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.
Jun 20, 2023 · Learn about the 11 major organ systems in the human body and their functions, such as circulatory, respiratory, digestive, skeletal, muscular, nervous, and reproductive. Explore the body parts that make up each organ system and how they work together.
