What is the function of the lymph nodes?
filter and purify interstitial liquid returning to the blood
filter fluids entering each cell
absorb excess fluid from blood
regulate the consistency of fluid in plasma

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.

9. what area of study applies scientific findings to create ways for solving problems or improving life? a biogeology b mathematics c manufacturing d engineering

If garbage is left on the street flies in microbes can arise from nothing to feed on it true or false