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18 hours ago · Explore the skeletal system with our interactive 3D anatomy models. Learn about the bones, joints, and skeletal anatomy of the human body.
- Teeth
Enamel is the hardest substance in the body and is made...
- Spine
Each vertebra has several important parts: the body,...
- Brain
Many reflexes in the body are integrated in the brain,...
- Heart
The base of the heart is located along the body's midline...
- Types of Bone Fractures
Improper treatment of fractures can even lead to...
- Knee Joint
The knee joint is one of the strongest and most important...
- Synovial Joints
There are many different classes of synovial joints in the...
- The Hand and Wrist Bones
The bones of the hand and wrist provide the body with...
- Teeth
4 days ago · In humans it is situated between the two lungs and slightly to the left of centre, behind the breastbone; it rests on the diaphragm, the muscular partition between the chest and the abdominal cavity. The heart consists of several layers of a tough muscular wall, the myocardium.
- The Editors of Encyclopaedia Britannica
- In humans, the heart is situated between the two lungs and slightly to the left of center, behind the breastbone. It rests on the diaphragm, the mu...
- The heart consists of several layers of a tough muscular wall, the myocardium. A thin layer of tissue, the pericardium, covers the outside, and ano...
- The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimula...
- The rhythmic noises accompanying the heartbeat are called heart sounds. The two distinct sounds are heard, a low, slightly prolonged “lub” (first s...
4 days ago · Learn about the three types of muscle as you use our 3D models to explore the anatomical structure and physiology of human muscles. And don't worry, we'll explain the naming of skeletal muscles, too. by Tim Taylor
3 days ago · The circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate.
4 days ago · The Human Lungs. Explore the anatomy and vital role of the lungs with Innerbody's interactive 3D model. The human lungs are a pair of large, spongy organs optimized for gas exchange between our blood and the air. Our bodies require oxygen in order to survive.
5 days ago · Nervous system, organized group of cells specialized for the conduction of electrochemical stimuli from sensory receptors. The nervous system allows for the almost instantaneous transmission of electrical impulses from one region of the body to another. Learn about the nervous systems of different living organisms.
4 days ago · Central nervous system, system of nerve tissue in vertebrates that consists of the brain and spinal cord. The central nervous system controls both voluntary movements, such as those involved in walking and in speech, and involuntary movements, such as breathing and reflex actions. It also is the.
