The immune system reacts to substances as threats to the body health. When the allergens are inhaled the first response of the immune system is to attack and attempt to stop the particles from harming the body.
The Respiratory System
leafs are the respiratory system of the plants
You breathe in something bad for you, like pollen for example, and your lymph nodes in the back of your mouth catch it, to keep the rest of your body from getting infected
me
Not really sure... but the symptoms are allergic shiners, Conjunctivitis, Watery Eyes, Itchy Eyes, Noes and throat and of course sneezing!Hope That Helped
The Respiratory System.
Respiratory system
Plants help the digestive system circulatory system and also respiratory system
Respiratory system
Yes.
Yes, it is.
Ozone can affect both lungs and respiratory system. It is because it acts as a pollutant over the surface.