Cells & Cellular Biology
Anatomy & Physiology
Overview
In this lesson, we review terminology and practical facts related to cells, which create and maintain the body and its health.
Objective
Be familiar with foundational terminology and practical facts related to human cells, “small packets of life” which create and maintain the body and its health
What You'll Get
Define and describe cells and what they do. Be familiar with terms that may be used in research findings (such as organelles, mitochronida, ATP and stem cells). Describe the power and elegance of cell behavior, and how the intelligence displayed at the cellular level gives us a view into the wisdom inherent in the body. Discuss and describe the essential functions of cell death, recycling, and regeneration in health and wellness.
Vocabulary
apoptosis, ATP, autophagy, biology, cell biology, cells, metabolism, mitochondria, molecular biology, nucleus, organelles, stem cells
- APOPTOSIS — Programmed cell death, a part of healthy cellular functioning
- ATP — The primary energy source of animals and plants, produced by cells
- AUTOPHAGY — Meaning “self-eating,” refers to the body’s process of recycling non-beneficial cells or parts of cells
- BIOLOGY — The study of life
- CELL BIOLOGY — The study of how cells behave
- CELLS — The smallest “part” in our body that has all the characteristics of life, according to scientists; more than 30 trillion in the human body
- METABOLISM — The process of converting one form of energy into another
- MITOCHONDRIA — The site of energy production in cells; called the “powerhouse or battery” of the cell
- MOLECULAR BIOLOGY — The study of molecules within cells, specifically how DNA, RNA and proteins behave
- NUCLEUS — Known as the control center of the cell, holds DNA, determines which genes will be expressed and which will be suppressed (source)
- ORGANELLES — Membrane-bound structures with complex functions that live outside the nucleus within the cytoplasm
- STEM CELLS — Cells that do not yet have a specific role and can become almost any cell that is required; have been found in the embryo, placenta, bone marrow, lungs, liver, muscle, cartilage, spleen and fat tissue (source)
Cells: Small Packets of Life
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