Answer:
Astrocytes
Explanation:
Astrocytes are star shaped glial cells and are the most abundant glial cells in the group. Thy have gap junctions with pottasium and calcium channels that refulate the concentration of the ions in the environment creating a buffer that ensures the neurons function effectively during saltatory condution when ions are released outside their membrane. They also capture any unused neurotransmitters during cell communication by neurons at the synaptic junctions.
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An advantage of having a set of criteria for defining mental disorders is that it offers a framework and terminology that can be shared among researchers and doctors. It involves defining mental disorders.
A mental disorder is any condition that causes distress and/or impairment of individual functioning, thereby affecting mental health and wellbeing.
The standardized systems represent systematic classification procedures whose objective is to define mental disorders in order to be systematically used by healthcare facilities and scientific research.
The most widely used and accepted standardized systems include the <em>'International Statistical Classification of Diseases and Related Health Problems' </em>and the '<em>Diagnostic and Statistical Manual of Mental Disorders'.</em>
Learn more about mental disorders in:
brainly.com/question/939408
Answer:

Explanation:
Significant figures include non-zero digits and in between zeros.
<u>2</u> <u>0</u> . <u>8</u>
20.8 has 3 significant figures.
Genetic Drift
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