Which two conditions are caused by blockage of a blood vessel? A. hypertension and obesity
B. hypertension and high cholesterol
C. arrhythmia and stroke
D. heart attack and stroke

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

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 is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil