It's this student's anatomy of a heart that's making the rounds on social media. Asked to draw and label a heart diagram, the student opted to make it a little more personal than one could imagine.

PLOS. "Hand grip strength may be associated with cardiac function and structure." ScienceDaily. ScienceDaily, 16 March 2018. <www.sciencedaily.com / releases / 2018 / 03 / 180314145029.htm>.