What is it called when you have a small particles of rna and

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels