The _____ secrete insulin and glucagon into the bloodstream to help regulate blood glucose levels.

____ are chemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues

____ is a protein hormone secreted by pancreatic endocrine cells that raises blood glucose levels; an antagonistic hormone to insulin.

___ is a watery fluid produced by the kidneys that contains urea and other wastes

The ______ filter blood from the renal arteries and produce urine as waste

The ______ is a ball of capillaries surrounded by Bowman's capsule in the nephron and serving as the site of filtration in the vertebrate kidney.

____ reduces blood flow and heat transfer by decreasing the diameter of superficial blood vessels.

The ____ is an organ about the size of a football. It sits just under your rib cage on the right side of your abdomen. The ____ is essential for digesting food and ridding your body of toxic substances.

______usually develops during childhood or adolescence and is characterized by a severe deficiency of insulin, leading to high blood glucose levels.