<u>Microglia cells </u>are glial cells that respond to injury or disease by multiplying, and then engulfing cellular debris or even entire cells.
<h3>Functions of microglia</h3>
Microglia cells are the immune cells of the central nervous system and consequently play important roles in brain infections and inflammation. Recent in vivo imaging studies have revealed that in the resting healthy brain, microglia are highly dynamic, moving constantly to actively survey the brain parenchyma.
These active microglia can rapidly respond to pathological insults, becoming activated to induce a range of effects that may contribute to both pathogenesis, or to confer neuronal protection.
However, interactions between microglia and neurons are being recognized as important in shaping neural circuit activity under more normal, physiological conditions. During development and neurogenesis, microglia interactions with neurons help to shape the final patterns of neural circuits important for behaviour and with implications for diseases.
Learn more about glial cells
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Answer:
Option-B
Explanation:
In the given question, the condition of the person is mentioned which says that he felt breathless while walking and later while lying down.
The most probable reason for the condition in the give question is that this condition is the result of the failure of the left side of the heart as the left side of the heart that is right atrium receives the oxygenated blood from the lungs and then left ventricle pump the blood to the body.
Since the person is not able to breathe therefore the volume of the lungs is occupied by something in the given case is blood due to the failure of the left heart.
Thus, Option-B is the correct answer.
Answer:
<em>A</em><em> </em><em>and</em><em> </em><em>C</em><em> </em><em>one</em><em> </em><em>of</em><em> </em><em>each</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>
Answer:
In everyday behavior, men are less likely than women to smile at others.
Explanation:
Women and men can have very different personalities, not for biological reasons, but for environment and behavior. Generally speaking, researchers have found that in everyday behavior, men are less likely than women to smile at others. This is because we live in a patriarchal society that taught that men should not show sympathy but maintain seriousness at all times. Women are taught to be friendly and to show it to people.
As has been said before, this is widespread information and does not mean that all women will smile and be nice to everyone, nor does it mean that all men will be serious and will not smile at anyone. It depends on one's personality.
