You've probably noticed that on a hot day, especially when you're active, you perspire. this is your body's way of cooling itself. although perspiration happens automatically, it is a pretty complex process. which organ systems work together to keep your body cool by perspiring? a. nervous and muscular b. nervous and circulatory c. circulatory and muscular d. circulatory and respiratory

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

New york city has 2,181 inhabitants per square mile. the state of alaska has 1.03 inhabitants per square mile. ecologists would say alaska has a low exponential growth population density birth rate carrying capacity

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.