The lungs and respiratory system allow oxygen in the air to be taken into the body, while also letting the body get rid of carbon dioxide in the air breathed out.
Answer:
"Candle wax is considered nonpoisonous, but it may cause a blockage in the intestines if a large amount is swallowed. ... Symptoms may include rash or blistering of the skin, or swelling, tearing, or redness of the eye if it has been touched by the fingers which had contact with the candles." - Medlineplus.gov
Just keep a lookout for these symptoms
Explanation:
In restaurants, the door frames should be check during the daylight to check for any cracks. If there are cracks, it should be repaired or sealed because food safety could be at risk if pest infestation is not denied.
Moreover, to help pest from entering the establishment, a self-closing device, door sweeps and use of weather stripping on the bottom of doors must be installed because pest infestation is a serious problem of food establishment.
Therefore, the use of an integrated pest management must be practice in order to prevent and control pest.