blood vessels breaking in hands

Blood is a liquid connective tissue made up of blood cells and plasma that circulate inside the blood vessels under the pumping action of the heart. How do blood vessels stay strong, flexible, and responsive to the body's changing need for oxygen and nutrients? The answer lies not only in biology—but also in physics.

Understanding the Context

Researchers at Åbo Akademi ... Science Daily: Specialized blood vessels and nitric oxide found to be key to stem cell survival and immune evasion Specialized blood vessels and nitric oxide found to be key to stem cell survival and immune evasion The factors that raise the risk of heart disease and stroke can also raise the risk of dementia. When blood vessels are damaged or blocked, it can deprive your brain of vital oxygen and nutrients, and ... Researchers have uncovered how specialized cells surrounding small blood vessels, known as perivascular cells, contribute to blood vessel dysfunction in chronic diseases such as cancer, diabetes and ...