Answer: they allow air to enter lungs and also permits air into the body
Explanation:
<h2>Answer:</h2>
Trash is unsanitary and can attract pests it is important that trash is taken out to the dumpster otherwise it can cause serious infection in the individuals of a society.
Garbage pollution is the main reason for various bacterial diseases. Gastrointestinal, stomach pain, vomiting and diarrhea, cholera, typhoid, malaria skin diseases and respiratory allergies are the diseases which are caused by the garbage.
The smoke from the burning garbage not only poisons the air, it also increases the spread of diseases. Recent research has provided information about emission of toxic gases like carbon dioxide and carbon monoxide due to the burning of waste.
Actually, the hormone is issued by the gland to go to a certain spot in the body. Like the adrenal glands release the hormone "adrenaline" when you're in a dangerous, or stimulating situation