What type of system is a monarchy?

What type of system is a monarchy? Monarchy, political system based upon the undivided sovereignty or rule of a single person. The term applies to states in which supreme authority is vested in the monarch, an individual ruler who functions as the head of state and who achieves his or her position through heredity. Is […]

What hormones are secreted by the thymus?

What hormones are secreted by the thymus? Three major thymus hormones, thymosin, thymopoietin, and thymulin, are thought to reside in the cytoplasm of the thymus epithelial cell. Does thymus produce T cells? The thymus makes white blood cells called T lymphocytes (also called T cells). These are an important part of the body’s immune system, […]

Are Penguins a carnivore?

Are Penguins a carnivore? Penguins are carnivores: they feed on fish, squid, crabs, krill and other seafood they catch while swimming. During the summer, an active, medium-sized penguin will eat about 2 pounds of food each day, but in the winter they’ll eat just a third of that. What does penguin meat taste like? They […]

Which microorganisms can cause dental cavity?

Which microorganisms can cause dental cavity? The bacteria most responsible for dental cavities are the mutans streptococci, most prominently Streptococcus mutans and Streptococcus sobrinus, and lactobacilli. If left untreated, the disease can lead to pain, tooth loss, and infection. Today, caries remain one of the most common diseases throughout the world. What is the most […]

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