Answer: Constantly having to meet deadlines
Explanation: sometimes the deadlines for things are to close and it could make you feel overwhelmed And very stressed
Nutrients and oxygen is the answer because the circulatory system does that work and the other one is from another system
Depends on what question it is.
Because they are easier to obtain (i.e. you don't need a script from the doctor to get them, you can go and buy them freely) and in some cases can give you the same high as street and prescription drugs
Attitude is an important factor to fitness cuz a good attitude and modivation can make u wanna work out and excercise if u don't have a good attitude u might not wanna work out.