... cells are valued for its "pluripotentiality", meaning it has the potential to develop into all or nearly all of the tissues in the body. There are several types of stem cells in the human body, though some are more specific to a particular function tan others. Thus the term stem cell " commonly is used to refer to the cells within the adult organism that ... nature. (NBAC) After the extraction of the embryos, the stem cells must be created. To create embryonic stem cells for research, a "stem cell line" must be created form the inner cell mass of a week-old embryo. A stem cell line is a...

• Word Count: 1512
• Approx Pages: 6
• Grade Level: Undergraduate

HOMEOSTASIS, STRUCTURE AND FUNCTION, AND TRANSDUCTION IN THE BODY SYSTEMS. Homeostasis within the endocrine system is vital for the metabolic activities of cells. The endocrine system uses ... It also maintains homeostasis by scavenging dead or damaged cells and patrolling for antigens. The body's main line of defense if specific immunity. Specific responses are classified as either humoral immunity or cell mediated immunity. In humoral response an antigen causes B cells to divide and differentiate into plasma cells. Each plasma cell then ... of the complexity and the processes involved, im...

• Word Count: 614
• Approx Pages: 2
• Grade Level: Undergraduate