Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Your circulatory system contains three blood vessel types: arteries, veins, and capillaries. Arteries carry blood from the heart, unlike veins, which carry blood to the heart. According to the ...

Researchers from Cornell University and the University of Pennsylvania have created a lifelike robotic lionfish with a circulatory system, reports Gizmodo. That circulatory system enables the fish to ...

The five vital organs in the human body are the brain, heart, lungs, kidneys, and liver. Other organs include the gallbladder, pancreas, and stomach. Organ systems, such as the nervous system, support ...

Thermoregulation is the biological mechanism responsible for maintaining a steady internal body temperature. The three mechanisms of thermoregulation are efferent responses, afferent sensing, and ...

Bones are a key part of your skeletal system. They’re lightweight structures that are incredibly strong. A normal adult has around 206 bones in their body. Your bones join together to make your ...

Antibodies, also known as immunoglobulins (IGs), are glycoproteins produced in response to an immune reaction and exhibit high specificity for the antigens that elicit the response. An antibody ...