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 (adipose tissue), muscle, connective tissue, organs, and other structures.

Learn human body parts names in English with a full list and pictures. Perfect for kids, students, and English learners.

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 physiology are treated in many different articles.

There’s strong evidence it spans your entire body, including in and around major organs. There’s still a lot of ongoing research into how these organs work and what they do.

This topic page will provide you with a quick introduction to the systems of the human body, so that every organ you learn later on will add a superstructure to the basic concept you adopt here.

Explore the full human body diagram for a comprehensive understanding of the various systems and organs that make up the human body.

Identify the organ systems of the human body, their functions, components, and interactions. The human body can be studied from a number of perspectives, mainly, gross anatomy and microscopic anatomy.

Keep reading to learn more about the organs of the body, the various organ systems, and some guidelines on how to maintain optimum health.

"Why?" A question as old as humanity, and as relevant today as ever. Explore the history, meaning, and necessity of the question that drives discovery from toddlers to theoretical physicists.