Explain the words above with your own words

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.

Which entry is in the wrong position in the table?

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion