atrium
Four chambers i think
NO they do not. They have four chambered hearts.
Plants do not have hearts. Only animals have hearts and most have four chambers and a few have three.
Fish hearts don't have four chambers.
Crocodials has four chamber hearts
All mammals have a four-chambered heart.
A mammalian heart has four chambers and they are right and left atrium and right and left ventricle.
Dogs are mammals and so have four-chambered hearts.
If you mean do humans have four chambers in their heart, then yes they do.
We humans have one heart with four pumping chambers.
The Restoration Road with Mitch Kruse - 2010 Restoring the Four Chambers of Our Hearts 1-9 was released on: USA: 22 August 2010
The heart is the hardest working muscle in the body and is divided into four chambers: the left and right atria, and the left and right ventricles. These chambers are connected to each other by valves that control the flow of blood through the heart.