Answer:
A neuron is a nerve cell that is the basic building block of the nervous system. Neurons are similar to other cells in the human body in a number of ways, but there is one key difference between neurons and other cells. Neurons are specialized to transmit information throughout the body.
Explanation:
comment how it helps
Answer:
This is the difference between passive and active immunity
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Answer:
Systematically describe; assess relations between variable. Option A
Explanation:
First, we will fill in the gap in the question, check below;
''Whereas observational research is designed to SYSTEMATICALLY DESCRIBE behavior, correlational research is designed to ASSESS RELATIONS BETWEEN VARIABLE''.
In order to analyze a particular subject there is a part of research techniques to be used in which the analyst just have to observe, the research method or technique for that is called the Observational research. The person observing or the analyst can also be a participant that is part of the subject and still observe.
When you take two things -- variables and you compare and contrast them, you are already using the Correlation research method.
In your body to maintain and support the conditions that your cells, tissues,and organs need to function properly. the skin is one of the first defense mechanisms in your immune system.