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Blood Ca 2+ deficiency stimulates __________ secretion, which leads to __________.

Red bone marrow is important in the production of new bone cells.

Increased bilirubin levels cause a skin discoloration called __________.

Osteogenic cells are bone stem cells that differentiate into osteoblasts and osteoclasts.

Which of the following cells stand guard against toxins, microbes, and other pathogens?

Embarrassment can be perceived by an abnormal coloration of the skin called cyanosis.

The thin layer of slightly denser spongy bone that separates anadult’sepiphysis from the diaphysis is called the __________.

Most kidney tubules are made of __________ epithelialtissue, which isspecialized for absorption and secretion.

Blood vessels in the __________ provide a hair with its sole source of nutrition.

Hypercalcemia causes depression of the nervous system.