There are certain toxins and simulators that trigger a "relaxed" feeling
Answer: d
Explanation:
Because it's quick easy and efficient so you can have easy access to it and all you use is your toes and calves.
It can be passed genetically through reproduction because it is a genetic mutation. The genetic material and codes is prolonged and the number of repetitions in the code is bigger, which means that there's a higher chance to transfer it to the offspring.
I know this is scary....
They're acknowledging the fear that the patient has and are also communicating hope by being positive.