Larger eukaryotes, such as mammals, have motile cilia as well. Motile cilia are usually present on a cell's surface in large numbers and beat in coordinated waves. In humans, for example, motile cilia are found in the lining of the trachea (windpipe), where they sweep mucus and dirt out of the lungs. In female mammals, the beating of cilia in the Fallopian tubes moves the ovum from the ovary to the uterus.
Also, ask them about their basic qualifications. For example, while the basic qualifications to become a police officer in California is to be 18 years of age, other departments require a higher age limit, like 20 years of age at the time of your examinations.
Being a police officer is a physically demanding job and you will likely be working with rookies much younger than you. Police officers work long hours and are often scheduled on a shift rotation. Carefully consider if the job requirements match with your current lifestyle and commitments at home.ge Limits. Each police department has its own requirements for the minimum and maximum age of new recruits. For example, the Philadelphia and San Diego police departments have no age limit for new hires.