The Renin–Angiotensin System (RAS) is a fundamental molecular system instrumental in regulating blood pressure and maintaining fluid equilibrium in the human body. This sophisticated system features a...
The kidneys are best known for their critical roles in filtering blood and removing waste products, ensuring the body’s internal environment remains clean and balanced. However, these small, bea...
The immune system is a sophisticated network of cells, tissues, and organs working together to defend the body against harmful invaders such as bacteria, viruses, and toxins. It recognizes and elimina...



