Learn How the Heart Works. Your heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and ...

Researchers have found that red blood cells have an innate ability to trigger a pathway that protects the heart from injury during periods of low oxygen, such as during a heart attack. The ...

The pathway of blood through the heart. Left-hand side. Oxygenated blood is carried to the heart from the lungs in the pulmonary vein. It goes into the left atrium, ...

Blood clotting can lead to life-threatening heart attacks and strokes, and current treatments can lead to excessive bleeding and other worrisome side effects. | Researchers at Harvard's Brigham ...

Key pathway involved in blood vessel occlusion discovered. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2016 / 01 / 160114162553.htm ...

Oxygen-rich blood generally flows from the heart to the brain, but a new technology aimed at preventing strokes temporarily reverses that path.Surgeons at Sharp Grossmont Hospital in La Mesa are th… ...

Neuroendocrine Humoral and Vascular Components in the Pressor Pathway for Brain Angiotensin II: A New Axis in Long Term Blood Pressure Control. PLoS ONE , 2014; 9 (10): e108916 DOI: 10.1371 ...

Under stress, the human heart struggles to pump blood efficiently through the body. Over time, as the heart overexerts itself trying to make up for this lost efficiency, harmful changes take place ...