Learning and Understanding Allergies. Respiratory SystemLearning and Understanding Allergies. Respiratory System
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DVD, 2011
Current format, DVD, 2011, , No Longer Available.
DVD, 2011
Current format, DVD, 2011, , No Longer Available. Offered in 0 more formats
An allergy is the result of a response from the immune system to the presence of a normally harmful element known as an allergen. Provided is the necessary information needed to better understand what allergies are, how they affect the respiratory system, and what can be done to prevent or control and allergy attack.
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