The cholera bactery evolves which means it changes the way it works. So if you are vaccinated, the bactery will evolve itself in such a way that your body doesn't reject it.
Osmiosis is the structure that stops water loss in leaves
Answer:
Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things
Answer:
central nervous system
Explanation:
because it is under control of our brain
Testosterone is the principal male sex hormone.
