Your heart is the upside-down pyramid-shaped ten-ounce pump that is the size of your fist and is vital for life.

It controls rate and rhythm, engages hormones, moves blood, regulates blood pressure, removes waste, sends oxygen to cells.

On Merriam-Webster.com, it is one’s disposition, essence, humanity, inclination, locus, mercy, nexus, personality, soul, sympathy.

Consider some of the ways we use the word:

all heart

at heart

broken heart syndrome, Takotsubo cardiomyopathy, sudden weakness after emotional or physical stress affecting women in 89% of cases

by heart

change of heart

cold-hearted

cross my heart

dance my heart out

eat one’s heart out

faint of heart

hand on heart

hard-hearted

heartache

heart and soul

heart goes out to someone

heart of gold

heart of the city

heart of the matter

heart set on

heart-stopping

heartstrings

heart-wrenching

light-hearted

lose heart

melt a heart

no heart

open one’s heart

out of the goodness of one’s heart

pour out one’s heart

straight from the heart

warm the cockles of one’s heart

wear one’s heart on one’s sleeve

win a heart

young at heart

What resonates the strongest with you ?