"Any compositional system can be described using category theory, and the relationship between compositional systems can then ...

A key goal of the field of endocrinology has been to understand the hormonal mechanisms that drive social behavior and influence reactions to others, such as oxytocin. However, it has sometimes been ...

Together, the brain and spinal cord that extends from it make up the central nervous system, or CNS. What is the brain made ... emotions and learning. Other functions relate to vision, hearing, touch ...

How does the urinary system work? The urinary system's function is to filter blood and create urine as a waste by-product. The organs of the urinary system include the kidneys, renal pelvis, ureters, ...