Initial thoughts on asthma n Asthma causes difficulty in breathing 口 Consists of two parts a Constriction of bronchi a Overproduction of mUcuS in respiratory tract 口 Caused by 口 Allergies a Drastic change in temperature a Exercise a Heritable family historyInitial thoughts on asthma  Asthma causes difficulty in breathing  Consists of two parts  Constriction of bronchi  Overproduction of mucus in respiratory tract  Caused by  Allergies  Drastic change in temperature  Exercise  Heritable? family history