Answer:
The function of the epiglottis is to seal off the windpipe during eating, so that food is not accidentally inhaled.
Answer:
'Motile' (or moving) cilia are found in the lungs, respiratory tract and middle ear. These cilia have a rhythmic waving or beating motion. They work, for instance, to keep the airways clear of mucus and dirt, allowing us to breathe easily and without irritation. They also help propel sperm.
Explanation:
Answer:
50%
Explanation:
"Roughly 50 percent of individuals with severe mental disorders are affected by substance abuse."
