Your mouth, nose, throat, sinuses and lungs are lined with mucus membranes. These membranes contain mucus glands that produce - surprise - mucus. Mucus-producing membranes line specific passages in your body, like the respiratory and digestive tracts, for protection and support.
Answer:
I think you need to write the sentence a few times
A) Let myself feel sad and then find ways to move on
CANCER, DIABETES, AND IMMUNE SYSTEM diseases are diseases that are considered non-infectious. Non-infectious diseases are diseases that are caused by surrounded factors, lifestyle factors, environmental toxins, and etc.
Or is this a multiple choice question? If it is, what are the choices?