Difference between boneless chicken wings and chicken tenders

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work)

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.

The science for classifying and naming organisms is known as