"1. what changes were observed after the volunteer exercised? "

The expiratory flow peaks this measurement with an instrument called the Peak Flow Meter. the Peak Flow test makes the difference between an asthma attack and a sluggishness. For people who suffer from asthma, it allows them to see if their treatments are effective or not.

- A teenager measuring 1.45 m has a theoretical DEP of 350 L / min.

- A 30-year-old woman measuring 1.60 m has a theoretical DEP of 490 L / min.

- A 50-year-old man measuring 1.80 m has a theoretical DEP of 620 L / min.

We do not have information on the patient, but there is a decrease in peak expiratory flow after exercise, a decrease of more than 20% compared to normal, it means that we are asthmatic or in crisis asthma.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.