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The Human Body (Tissue* - A group of connected cells that have a similar…
The Human Body
Cells
Cells- The most basic units of structure and function in the human body. The smallest and functional unit of an organism, typically microscopic and consisting of a cytoplasm and a nucleus enclosed in a membrane.
Cell Specialization vs. Cell differentiation - Cell specialization is multicellular organisms containing specialized cells. Specialized cells differ in structure, size, shape and function and the role they perform in an organism. Cell differentiation is The process by which a cell becomes specialized in order to perform a specific function, as in the case of a liver cell, a blood cell, or a neuron.
Stem Cells- an undifferentiated cell of a multicellular organism that is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.
How are they helpful?
Stem cells are helpful because they have a more limited ability to give ride to various cells in the body.
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Organs
Definition: a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
Brain :
Function-The Brain
controls motor function, the body's ability to balance, and its ability to interpret information sent to the brain by the eyes, ears, and other sensory organs.
Heart:
Function: - The heart is a hollow, muscular organ, which functions as a pump for the movement of blood through the body. ... The left side of the heart pumps blood to the entire body.
Lungs:
Function:-The lungs' main function is to help oxygen from the air we breathe enter the red cells in the blood. Red blood cells then carry oxygen around the body to be used in the cells found in our body.
Organ Systems: An organ system is a group of organs that work together to perform one or more functions. Each does a particular job in the body, and is made up of certain tissues.
Homeostasis: The human body keeping a constant internal temperature. ... The definition of homeostasis is the ability or tendency to maintain internal stability in an organism to compensate for environmental changes.
How body systems maintain homeostasis: Organ systems work together to maintain homeostasis by working together. The nervous and endocrine systems exert the ultimate control over homeostasis because they coordinate the functions of the body's systems. Regulation of body temperature, blood pressure, pH, and glucose concentration are four examples of how the body maintains homeostasis.