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  1. Stem cells have two important characteristics that distinguish them from other types of cells. First, they are unspecialized cells that renew themselves for long periods through cell division. The second is that under certain physiologic or experimental conditions, they can be induced to become cells with special functions such as the beating ...

  2. Clergy | Christianity | Britannica

    Clergy, a body of ordained ministers in a Christian church. In the Roman Catholic Church and in the Church of England, the term includes the orders of bishop, priest, and deacon. Until 1972, in the Roman Catholic Church, clergy also included several lower orders. The Greek word kleros, signifying

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  4. Clergy - Wikipedia

    Clergy are formal leaders within established religions. Their roles and functions vary in different religious traditions, but usually involve presiding over specific rituals and teaching their religion's doctrines and practices. Some of the terms used for individual clergy are clergyman, clergywoman, and churchman.

  5. Overview of Church Size Theory -

    Size Types and Their Characteristics . Family size • Under 75 ASA* (47% of Episcopal congregations; 15% of the worshippers) • Single cell • Group-centered • Governance: by key family or families • Pastor as chaplain • Fights are family feuds . Pastoral size • 76-140 ASA (25% of Episcopal congregations; 22% of the worshippers)

  6. The Different Types of Sickle Cell Anemia

    As a result, the cells are smaller, look more pale than normal and are abnormal. This type of sickle cell is also a mild form of the disorder. However, individuals can still suffer anemia or a low RBC count. Individuals with this type of sickle cell inherit an abnormal hemoglobin gene and a sickle cell gene. Even though this is a rare form of ...

  7. What Are Basal and Squamous Cell Skin Cancers? | Types of ...

    Basal cells: These cells are in the lower part of the epidermis, called the basal cell layer. These cells constantly divide to form new cells to replace the squamous cells that wear off the skin’s surface. As these cells move up in the epidermis, they get flatter, eventually becoming squamous cells.

  8. Introduction to the cell (video) | Cells | Khan Academy

    - [Instructor] You might already have some type of a notion of a what a cell is. You might already realize that it is most basic unit of life. Some would argue that maybe viruses are even a more basic unit of life, but the organisms that we consider living, like ourselves, are made up of cells and all living organisms that we for sure consider living are made up of at least one cell, so the ...

    • 6 min
  9. Biology for Kids: The Cell

    The cell is the basic unit of life. Some organisms are made up of a single cell, like bacteria, while others are made up of trillions of cells. Human beings are made up of cells, too. Different Types of Cells There are lots of different types of cells. Each type of cell is different and performs a different function.

  10. Skin Cancer: Melanoma, Basal Cell and Squamous Cell Carcinoma

    Skin Cancer Overview. Skin cancer is the most common of all human cancers. In 2020, more than 100,000 people in the U.S. are expected to be diagnosed with some type of the disease. Nearly 7,000 ...

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