a life-threatening condition caused by a lack of insulin.
an extreme shortage of food over a large area which affects a large number of people.
the structural and functional unit of the kidney, which filters the blood and produces urine....
highly addictive substance found in tobacco that accelerates the heart rate, and contracts and...
a blood vessel that returns oxygenated blood from the lungs to the left atrium of the heart.
the field of study that provides scientific names for organisms, describes them, preserves...