Robert Hooke was the first scientist to discover cell. This discovery was made possible by the use of microscope which he invented. With this microscope, Robert examined a cork and noticed pores which filled the entire volume of the thin slices of cork; he called the pores cells. This discovery was made in January 1653.
As a rule of thumb, in order to improve the reliability and accuracy of an experiment, it is best if the experiment is repeated several times. The increased number of trials ensures that the readings observed have minimal random error.
Creep is a solid material's tendency to deform permanently under pressure or stress.
So, a cracked telephone pole or a broken sidewalk would be examples.
An impulse relayed along a myelinated axon jumps from node of Ranvier to node of Ranvier.
