3. the heart has four chambers and is divided into a right and left side by a muscular wall called
the septum
true
o false

The answer is true.

Explanation:

Your heart has 4 chambers. The upper chambers are called the left and right atria, and the lower chambers are called the left and right ventricles. A wall of muscle called the septum separates the left and right atria and the left and right ventricles.

answer; /// i believe its the cochlea;