It starts in the mouth. You start to chew in which the glands that produce saliva make it easier to send down the esophagus
To classify animals and distinguish them
<span />
A neuron (also known as nerve cell) is an electrically excitable cell that takes up, processes and transmits information through electrical and chemical signals. It is one of the basic elements of the nervous system. In order that a human being can react to his environment, neurons transport stimuli.
Answer: Nucleus Acids
Explanation: Nucleic Acids hold and store DNA (think Nucleic/Nucleus)
Answer:
photograph cells in mitosis