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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 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. Learn more about the composition, form, and physical adaptations of the human body.
The human body is a biological machine made of body systems; groups of organs that work together to produce and sustain life. Sometimes we get lost while studying about cells and molecules and can’t see the forest for the trees.
Learn anatomy faster with our 3D human anatomy models. Over 400 models, by region, by structure and by system.
The skeletal system gives the body its basic framework, providing structure, protection, and movement. The 206 bones in the body also produce blood cells, store important minerals, and release ...
Interactive Anatomy and Physiology. Expert created easy to understand articles, interactive diagrams and quizzes that explain the structures and functions of the human body systems. Looking for videos and advanced quizzes? Try our partner site Kenhub.
Learn anatomy as you browse our collection of colorful, large and clearly labeled human body diagrams. For teachers, students, health professionals, or anyone interested in learning about the anatomy of the human body.
Let our free, online anatomy atlas teach you quickly, effortlessly and stress-free. Thousands of highlighted, labeled illustrations and diagrams await!
Muscular System. Covers muscles, tendons, and ligaments. Skeletal System. Focuses on bones, joints, and cartilage. Cardiovascular System. Details about the heart, arteries, and veins. Nervous System. Information on the brain, spinal cord, and nerves. Respiratory System. Highlights the lungs, trachea, and bronchi. Digestive System.
Organs and organ systems in 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 ...