Your heart's will to beat, to keep going, is incredibly strong. If the heart fails, so does everything else… Because it's your heart's job to deliver to every cell, to every nook and cranny of ...

The digestive system is the series of tubelike organs that convert our meals into body fuel. There are about 30 feet (9 meters) of these convoluted pipeworks, starting with the mouth and ending ...

Find out about the different stages of a human life cycle and how we change ... us move by contracting and relaxing. What is the digestive system? Discover how the food gets into the body, through ...

The human digestive system functions as a complex biological network, supported by several mechanisms that work in harmony to ensure proper digestion and nutrient absorption. One key element of ...

Two comb jellies can merge their digestive and nervous systems and even sync their bodily functions, according to new research. The discovery could have implications for human medicine Alexa ...

our digestive system contains microbiota (bacteria, fungi, viruses, and other microorganisms) that help support energy harvesting, digestion, and immune defense. “The human gut microbiota is ...

Tools and resources to help you understand and manage a range of digestive disorders. Unless you’ve had a gallbladder attack, you might not even know where this small organ is much less what it ...

Brain tissue is among the most energetically costly in the body, and as a result, larger-brained mammals require more energy to support brain growth and maintenance.