<span>Constricted air passages and higher air pressure in the lungs at maximum inhalation</span>
This is false!
For example, let's take the situation in which you are stressed when you are not prepared for an exam and you have to take the exam. You can plan better your time and start preparing earlier or try to "stage" practice exams for yourself and the result will be less stress!
A stopwatch is a device that can be used to monitor speed.
Children are expensive. You might not have the right mindset. Not the person you would like to do it with. You feel pressured.. those are some.