Medically reviewed by Michael Menna, DO Key Takeaways The circulatory system carries oxygen and nutrients throughout the body and removes waste.The lymphatic system helps fight disease by creating and ...

The human body’s nervous system is complex. Consisting of the brain, spinal cord and sensory organs, the nervous system acts as the communicator of the body, receiving information, deciding what ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

A team of researchers from Columbia Engineering and Columbia University Irving Medical Center has developed a multi-organ chip consisting of engineered human heart, bone, liver, and skin that are ...

The integumentary system is the physical system that forms the barrier between the external environment and the internal systems of the body. In humans, this system consists of skin, hair, nails, and ...

To be or not to be an organ: That is the question. Researchers have detailed the structure and distribution of spaces in your body that they say represent a newfound human organ, and this “organ” just ...