nucleus
all organisms are made of cell, and a cell contains a nucleus that controls life activities, cell reproduction and the genes.
Alveolar sac and alveoli
A vesicle forms as a small sac from the cell's membrane.
The Nucleus controls the cell.
cytoplast cell it controls a substance into and out a cell.
This description typically refers to a vesicle, which is a tiny sac made of lipid bilayer membrane found inside cells. Vesicles function in transporting molecules within the cell and between different cellular compartments.
the cell membrane controls what goes in and out the cell
the nucleus controls all the activity in the cell.
Alveoli which are in your lungs
The cell membrane controls what enters and exits a cell.
I think you are talking about the nucleus, which is the "brain" of the cell. It controls everything that cell does.
Alveoli which are in your lungs