If you don't know how that kind of thing works, you are likely to make mistakes regarding it. If you know how it works, you can prevent yourself from making mistakes that could endanger yourself and/or others.
Answer:
move air towards the lungs and warm, moisten, filter
Explanation:
the upper respiratory system incldues your mouth, nose, trachea, and a portion of your lungs
Correct answer choice is :
<h2>A) The service has not been researched and is expensive. </h2><h2 /><h3>Explanation:</h3><h3 />
Pseudoscience involves beliefs, principles, or methods that have been or are supposed scientific but have no basis in scientific evidence. This could mean they were discredited scientifically, can't be questioned or lack testimony to support them.
Cancer cells the branch of medicine concerned with the studying and treatment of tumor.
