Titlebook: Intermediate Physics for Medicine and Biology; Russell K. Hobbie,Bradley J. Roth Textbook 20074th edition Springer-Verlag New York 2007 Bi

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群居動(dòng)物

和平主義

Exponential Growth and Decay, bacteria or animal populations, the decrease of the number of bacteria in response to a sterilization process, the growth of a tumor, or the absorption or excretion of a drug. (Exponential growth cannot continue forever because of limitations of nutrients, etc.) Knowledge of the exponential functio

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DNR215

Impulses in Nerve and Muscle Cells, the membrane, setting up currents that flow through the membrane and along the cell. Similar impulses travel along muscle cells before they contract. This chapter reviews the basic properties of electric fields and currents that are needed to understand the propagation of the nerveor muscle-cell im

機(jī)警

The Exterior Potential and the Electrocardiogram,red and has clinical relevance. Before a muscle cell contracts, a wave of depolarization sweeps along the cell. This wave is quite similar to the wave along the axon. Measurement of these exterior signals gives us the electrocardiogram, the electromyogram, and the electroencephalogram.

急急忙忙

颶風(fēng)

Electricity and Magnetism at the Cellular Level,resence of impermeant ions alters the concentration ratios of permeant ions, to the movement of ions under the combined influence of an electric field and diffusion, and to simple models for gating in ion channels in cell membranes. It also discusses mechanisms for the detection of weak electric and

曲解

Feedback and Control,te blood cells, and blood concentrations of substances like calcium, sodium, potassium and glucose. Each of these is regulated by a feedback loop. A . exists if variable . determines the value of variable ., and variable . in turn determines the value of variable ..

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