The answer is B. Hope this helps. Please mark Brainliest:)
D. Always be nice to the patient and assure them you are capable.
All living things have DNA within their cells. In fact, nearly every cell in a multicellular organism possesses the full set of DNA required for that organism.
The sneezing is release of air that helps the body to get rid of irritants in our nose and throat, like allergens, dirt, and dust.
Coughing is by forcing the air out of the lungs with high pressure, to clear the throat of these foreign particles.