Which of the following describes the function of the cell nucleus?
a. command and control
b. carries nerve impulses
c. protects and lines the body organs
d. provides the outside boundary of the cell

The correct answer is A. Command and control

Explanation:

The cell nucleus is a structure or organelle in eukaryotic cells that is usually placed in the center of the cell. The nucleus is important because in this the genetic material is contained and also the nucleus is the one that commands, controls and coordinates the activities that occur in the cell including reproduction, growth, metabolism, among others. This means the nucleus is the control center of the cell and therefore, the option that describes the function of the cell nucleus is "command and control".

answer: blah

explanation:

bc blah

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.