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.
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.
This article discusses the anatomy of the human body systems. Learn everything about all human systems of organs and their functions now at Kenhub!
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.
The nervous system directs our body’s reactions to the world and also controls most of our internal functions, everything from muscle movement and blood vessel dilation to the learning of anatomy and physiology facts.
The body consists of a number of body cavities, separated areas which house different organ systems. The brain and central nervous system reside in an area protected from the rest of the body by the blood brain barrier.
Explore the full human body diagram for a comprehensive understanding of the various systems and organs that make up the human body.
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 nervous system,...
Rabbits, those endearing creatures with long ears and twitching noses, are far more complex and fascinating than many realize. From their surprisingly ancient lineage to their vital roles in ecosystems around the globe, rabbits deserve a closer look.