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Biology: The Cell: 04: Cell Transport - Overview of Cell Transport - Medical Animation
 
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Biology: The Cell: 04: Cell Transport - Overview of Cell Transport - Medical Animation
MEDICAL ANIMATION TRANSCRIPT: Cell transport is the process of how things move in or out of the cell through the cell membrane. There are two broad categories of cell transport. The first category is passive transport. For a cell, passive transport means it's an automatic process that doesn't require any input of energy. For example, diffusion is a passive process in which particles move either into or out of the cell from an area of higher concentration to an area of lower concentration. The cell doesn't use any energy when this happens. The second category of cell transport is active transport. This is when particles move from an area of lower concentration to an area of higher concentration. When particles move against the concentration gradient, energy is required often to allow protein pumps to assist in particle movement. Why would the cell need to move particles from a low to high concentration and expend energy to do it? An important example is seen in your heart muscle cells. In order for your heart to beat, there are certain molecules that have to move from an area of low concentration to an area of high concentration for those cardiac muscle cells to work. So, the main things to remember are passive transport happens automatically with no energy required, while active transport needs energy for it to occur. [music]

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What attorneys say about MLA and The Doe Report:
"I have found that the personalized medical illustrations prepared by Medical Legal Art have been very accurate and helpful. The medical doctors, both treating physicians and expert witnesses, have commented on the accuracy and professionalism of the medical illustrations. Most importantly, your prompt service and attention upon even short notice has been tremendous. I can certainly say that the medical illustrations prepared by Medical Legal Art have assisted us in bringing cases to a successful resolution."

Paul L. Redfearn
The Redfearn Law Firm, P.C.
Kansas City, MO

"Thank you very much for the great work on the medical exhibits. Our trial resulted in a $16 million verdict for a 9 year old boy with catastrophic injuries, and the medical illustrations definitely played key role in the trial."

David Cutt
Brayton Purcell
Salt Lake City, UT

"I would like to thank all of you at Medical Legal Art for all the assistance you provided. It was a result of the excellent, timely work that we were able to conclude the case successfully.

I feel very confident that our paths will cross again."

Fritz G. Faerber
Faerber & Anderson, P.C.
St. Louis, MO

"A few words about The Doe Report: recently in a brachial plexus injury case, we used an image from The Doe Report to demonstrate the injury. We downloaded the PDF file image, and were amazed at the quality. The hard copies that you sent were even more clear. As well, we could not have been happier when you customized the image and reversed the injury from the left shoulder to the right shoulder, which is where our client's injury was.

The speed and cost-effectiveness of the product made it the perfect tool for our purposes. We will use The Doe Report again in future cases."

Andrew Needle
Needle Gallagher & Ellenberg, P.A.
Miami, FL













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