Which statement accurately describes the tissues labeled in the microscopic image? The muscle tissues of arteries are thicker th
an the muscle tissues of veins The muscle tissues of veins are denser than the muscle tissues of arteries There is more elastin in veins than in the tissues of arteries The valves of veins make them more flexible than arteries
Because they are high in fiber and complex carbohydrates, whole grains do not break down as rapidly as refined grains in the digestive tract, and so they do not raise the blood sugar as dramatically,
The biggest breakthrough came in 1921 when Frederick Banting and Charles Best conducted a series of experiments one summer in the laboratory of J.J. R. Macleod at the University of Toronto. Like Minkowski and von Mering, they showed that removing the pancreas from dogs made them diabetic.