Answer:
The word demography comes from two ancient Greek words, demos, meaning “the people,” and graphy, meaning “writing about or recording something” — so literally demography means “writing about the people.”
Answer:
venti mask is an alternative for patients who are unsuitable for a High Flow Nasal Cannula (HFNC), such as those with blocked nasal passages or following trauma/surgery to the nasopharanyx.
