Hi everyone
There are different tools for drawing scientific contents including physiological process, anatomical figures, etc.
which tool(s) in your experiences is the best in this regard? preferably the free tool.
Drawing good diagram in a crucial element in scientific papers thus knowing a powerfull tool is a most as well.
If you know piwerfull tools for drawing a physiological process like cell cycle, neural synaptic connections, or experimental protocols , I appreciate to introduce.