4
All mammals have 4.
The heart of a skate is a one way tube. The skate's tubal heart is divided into the typical four chambers.
O.K. except that the blood pressure falls. Fluid is retained (by the kidneys) to increase total body fluid - and thus veinus pressure, which injects extra fluid into the heart, thus compensating for the failure to empty the chambers normally.
In the lub-dub version of heart sound, dub is caused by the back rush of blood against a closed aortic or pulmonary valve.
It's a common misconception that koalas are bears.
Koalas' diets consist mostly of bamboo.
Their are 2 heart chambers.
There are 4 chambers to the heart.
A shark heart has two chambers.
The bird's heart has 4 chambers.
There are four chambers in a human heart.
There are 4 chambers in a bird's heart.
A sheep heart has four chambers.
there are four chambers!
There's 4 heart chambers in a human, which is a mammle
A reindeer, being a mammal, has four heart chambers.
The human heart has four chambers. The atria are the upper chambers, and the ventricles are the lower chambers.
four chambers