Answer:
D
Explanation:
In multicellular organisms, the body is a system of multiple, interacting subsystems. Subsystems are groups of cells that work together to form tissues. Interactions are limited to the circulatory, excretory, digestive, respiratory, muscular, and nervous systems.
Answer:
To control what enters and leaves the cell.
Explanation:
I believe plant cells because the only cells that have walls are plant cells and cellulose is strong and will help remain its shape.
I think the answer would be all of them but im not sure about the third part
