The human body has four limbs (two arms and two legs), a head and a neck, which connect to the torso. The body's shape is determined by a strong skeleton made of bone and cartilage, surrounded by fat …

Dec 10, 2025 · human body, the physical substance of the human organism, composed of living cells and extracellular materials and organized into tissues, organs, and systems. Human anatomy and …

Organs are structures inside your body that have specialized jobs. They include internal organs like your heart and brain, plus external ones like your skin.

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.

There are 12 major anatomy systems: Skeletal, Muscular, Cardiovascular, Digestive, Endocrine, Nervous, Respiratory, Immune/Lymphatic, Urinary, Female Reproductive ...

Mar 17, 2025 · Anatomy is the science that studies the structure of the body. On this page, you'll find links to descriptions and pictures of the human body's parts and organ systems from head to toe.

Visible Body creates interactive, easy-to-use 3D anatomy and biology content for students, teachers, and health professionals.

The body maintains its internal organization by means of membranes, sheaths, and other structures that separate compartments. The dorsal (posterior) cavity and the ventral (anterior) cavity are the largest …

This article contains a list of organs in the human body. It is widely believed that there are 78 organs (the number goes up if each bone and muscle is also included [1][2]); however, there is no universal …

Dec 10, 2025 · In general structure, the human body follows a plan that can be described as a cylinder enclosing two tubes and a rod. This body plan is most clearly evident in the embryo; by birth, the …