Answer :
Active transport is when cells move across a cell membrane against their concentration gradient, moving from an area of lower concentration to an area of higher concentration.
Answer;
Active transport
Active transport is the homeostatic process moves particles against a concentration gradient.
Explanation;
Active transport is a physiological transport that involves transport of molecules against the concentration gradient.
The process requires energy in the form of ATP to aid the movement of molecules to where they are required.
