Disorder on Respiratory Organ

Respiratory organs cannot function well due to illness. Here are some of respiratory illness.

1. Influenza or cold is caused by virus. The symptoms are fever, headache, nasal congestion, and sometimes sore throat. The patient of influenza should rest well and eat nutritious food.
2. Asthma. Asthma is caused by bronchioles contriction. They have difficulty in breathing. Asthma is caused by substances, wich trigger alelergic, such as dust. It is difficult to be totally cured, but it can be controlled to decrease the symptoms. Medicine for asthma sufferer is meant to expand the respiratory tract muscles.(Source: Science Focus.2009. Science for elementary school Va.Bogor: Yudhistira)