While the four system approach to negligence is helpful in identifying whether or not an injury warrants legal action, it does fail to distinguish between two distinctly important concepts in the cause/effect relationship of negligence: factual causation vs. proximate cause. Factual and Proximate Cause
Types of Neurons (Nerve Cells). The human body is made up of trillions of cells. Cells of the nervous system, called nerve cells or neurons, are specialized to carry messages through an electrochemical process. The human brain has approximately 100 billion neurons.To learn how neurons carry messages, read about the action potential.owever, neurons differ from other cells in the body because: 1  Neurons have specialize cell parts called dendrites and axons. 2  Neurons communicate with each other through an electrochemical process. 3  Neurons contain some specialized structures (for example, synapses) and chemicals (for example, neurotransmitters).
Confidence votes 1.2K. Cell specialization is when a group of cells work together by performing individual tasks for large organs and tissues. Actually, cell specialization is when cells specialize in certain duties, such as when blood cells carry nutrients, skin cells protect the interior of the body, etc. Specialized cells need to live off other cells because otherwise the specialized cell wouldn't exist. Each specialized cell is designed to carry out a special function, â¦ therefore we need many different specialized cells in order for the entire organism to survive.