Answer:
2) Disease
Explanation:
Disease can cause function abnormalities in an organism. The other options don't make sense in this context.
in 1913 Niels Bohr proposed that electrons move in orbits around the nucleus such as the planets orbit around the sun
This is a scientific model because weather is testable and observable, we can see weather patterns using satellites, and well, its testable.
To protect the cell from the invasions of bacteria and viruses.
Pretty sure that the endocrine system is represented by the diagram
So the answer is endocrine