Kepler fine-tuned copernicus’ heliocentric model by

The human body is compared to a fine-tuned machine because a fine-tuned machine has many parts that work together so the machine can do what it is supposed to do. In the body, organ systems work together so the body can  perform tasks like walking, running, and digesting food.

Explanation:

a.   it resulted in widespread unemployment.

1) she is extremely upset