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the human body systems
the human body systems

... 2. w/lymphatic – has lots of WBCs to fight invaders, spleen filters bacteria/viruses out of blood 3. w/skeletal – WBCs made in bone marrow 4. w/integumentary – prevents invaders from getting in ...
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... scientist by the name of Robert Hooke. He viewed and described the appearance of cork under the microscope and decided to name the tiny boxlike structures that he observed “cells” because they looked like the small chambers where monks lived. By the early part of the 19th century, it was accepted th ...
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read and fill out the front only!

... bigger today than when you were born. You have more cells (but NOT bigger cells) than when you were a baby. Elephants have more cells than you do but the cells they have are about the same size as yours. Louis Pasteur taught us that no living thing, not even cells or bacteria, can pop into being out ...
the human body systems
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Cell Structure and Function/ Cellular Transport Study Guide

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... A cell’s structure and function begin with proteins, and instructions for building them are contained in DNA. The nucleus houses the DNA of a eukaryotic organism. The nucleus serves two very key functions: – It localizes the DNA – It controls the exchange of substances between the nucleus and the cy ...
Suggested Answers for Insight Questions - McGraw-Hill
Suggested Answers for Insight Questions - McGraw-Hill

... intestine perforates into the peritoneal cavity. Toxigenic disease is more insidious and just as dangerous because the toxins released by the infectious agents disrupt the natural activity of the intestinal cells and induce them to pump out large quantities of electrolytes and water into the GI trac ...
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Organ-on-a-chip

An organ-on-a-chip (OC) is a multi-channel 3-D microfluidic cell culture chip that simulates the activities, mechanics and physiological response of entire organs and organ systems. It constitutes the subject matter of significant biomedical engineering research, more precisely in bio-MEMS. The convergence of labs-on-chips (LOCs) and cell biology has permitted the study of human physiology in an organ-specific context, introducing a novel model of in vitro multicellular human organisms. One day, they will perhaps abolish the need for animals in drug development and toxin testing.Although multiple publications claim to have translated organ functions onto this interface, the movement towards this microfluidic application is still in its infancy. Organs-on-chips will vary in design and approach between different researchers. As such, validation and optimization of these systems will likely be a long process. Organs that have been simulated by microfluidic devices include the heart, the lung, kidney, artery, bone, cartilage, skin and more.Nevertheless, building valid artificial organs requires not only a precise cellular manipulation, but a detailed understanding of the human body’s fundamental intricate response to any event. A common concern with organs-on-chips lies in the isolation of organs during testing. ""If you don’t use as close to the total physiological system that you can, you’re likely to run into troubles"" says William Haseltine, founder of Rockville, Maryland. Microfabrication, microelectronics and microfluidics offer the prospect of modeling sophisticated in vitro physiological responses under accurately simulated conditions.
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