A donor heart beating in a mechanical system which keeps it warm and oxygenated, with nutrient enriched blood pumping through.
(via arandomjane)
A healthy human brain (left) compared to the brain of a 90 year old (right) which is only two thirds the size of the young brain. Over time, white matter decreases and the brain shrinks. This gradual shrinkage is most extreme between age 70 and 80.
(via arandomjane)





