The correct answer is a vacuole
Answer: The nucleus
Explanation: It directs the cell's activities in the plant and animal cells.
The part of her brain that is responsible is the right
It's important so that they know exactly where the disease started. Knowing who patient zero is helps them to identify who that person interacted with. From there, they can determine where the disease spread to. This will aid them in stopping the disease before it spreads any further.
This is probably to increase blood supply in the intestines. Blood is a transporter of digested food materials.