Examples of homeostasis include the regulation of body temperature, the pH of extracellular fluid, or the concentrations of sodium, potassium and calcium ions as well as that of glucose in the blood plasma, despite changes in the environment, diet, or level of activity.
Blue-collar workers perform labor jobs and typically work with their hands. The skills necessary for blue-collar work vary by occupation. Some blue-collar occupations require highly skilled personnel who are formally trained and certified.
What is a 'Key Employee'. A key employee is an employee with a major ownership and/or decision-making role in the business. Key employees are usually highly compensated. They may also receive special benefits as an incentive both to join the company and to stay with the company. BREAKING DOWN 'Key Employee'.