Join meh pad let plzz im bored

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Why is the structure of molecule important to its function?

The excretory system,need answers for all: )