• Understanding the Structure of the Nerve Cell

    The nerve cell structure of neurons are highly specialized and designed to specifically receive, process and relay electrochemical signals from one cell to another. When these cells are placed in a series, each part is perfectly positioned to function...
    By Jason C. Chavis August 6, 2011 

  • Functions of Bacterial Extracellular Enzymes

    This article talks about the enzymes that bacteria secrete once they are in our body and initiate damaging actions to our tissues and organs.
    By J.Sace June 27, 2011 

  • Fluoride Compounds Prevent Tooth Decay

    Fluoride is the substance in toothpaste that prevents tooth decay. It hinders the formation of acids that damages teeth and strengthens the structure of tooth enamel. In a comparison of calcium fluoride vs. sodium fluoride and teeth, sodium fluoride is...
    By Vasanth June 27, 2011 

  • Integumentary System Functions in Humans

    The integumentary system of the body serves the main purpose of protecting the body. We will examine the various integumentary system functions. We will look at what organs the system is comprised of and what the main functions of each one are. We will...
    By Nick Oza May 27, 2011 

  • Posterior Pituitary Hormones and Their Functions

    Learn more about the posterior pituitary hormones. Which hormones are secreted by the posterior lobe of the pituitary gland? What do the hormones from the master gland do and how do they affect the body? What functions to they serve?
    By danxtptrnrth May 24, 2011 

  • An Introduction to Protein Molecules: The Building Blocks of Life

    Along with carbohydrates, fats and nucleic acids, proteins are the "building blocks of life." Learn about the functions of protein in the human body to find out why these molecules are so important.
    By Emma Lloyd May 24, 2011 

  • Anatomy of the Respiratory System

    Learn more about the respiratory system anatomy. How does air cycle through the respiratory system and where does gas exchange occur?
    By danxtptrnrth May 22, 2011 

  • How the Respiratory System Works

    Learn how to answer the question, "How does the respiratory system work?" Understand more about the change in pressures cause breathing and how oxygen and carbon dioxide get into and out of the blood.
    By danxtptrnrth May 20, 2011 

  • Functions of the Pituitary Gland in Humans

    Learn more about pituitary gland function. Why is it called the "master gland"? Which hormones does it secrete?
    By danxtptrnrth May 20, 2011 

  • What Are Amino Acids Used for in the Human Body?

    What are amino acids used for in humans? These substances serve as the building blocks of protein, leading to the creation of proteins that act as antibodies, transport materials throughout the body and serve as storage units. Learn more about amino...
    By Leigh A. Zaykoski May 20, 2011 
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