Heart
The heart is a hollow muscle that pumps blood throughout the blood vessels by repeated, rhythmic contractions. It is found in all animals with a circulatory system (including all vertebrates).
Read more about Heart.
Famous quotes containing the word heart:
“Wee image of my bonnie Betty,
I fatherly will kiss and daut thee,
As dear an’ near my heart I set thee
Wi’ as guid will,
As a’ the priests had seen me get thee
That’s out o’ hell.”
—Robert Burns (1759–1796)
“The Sound of battle fell upon my ear & heart all day yesterday—even after dark the cannon’s insatiate roar continued ...”
—Elizabeth Blair Lee (1818–?)
“Mine eye and heart are at a mortal war,
How to divide the conquest of thy sight;
Mine eye my heart thy picture’s sight would bar,
My heart mine eye the freedom of that right.”
—William Shakespeare (1564–1616)