One that's black as coal.
The Kind of Heart That Breaks was created in 1997.
Heart Disease
The heart is a cardiac muscle
kind
The frog heart is widely known for its' 3-chambered heart
Amphibians have a three chambered heart.
Your heart is made of cardiac muscle tissue.
A heart of gold itself is an expression relating to someone kind. "They have a heart of gold".
Heart
A "hart" is a kind of deer, and a "heart" is a vital part of the body.
The heart is comprised of specialized cardiac muscle fibers.
He is benevolent with a heart of gold. - She is beautiful and she has a heart of gold.