Answer:
There are <em><u>four types of neuroglia</u></em> found within the central nervous system:
<u>Astrocytes</u> :
It maintains the blood brain barrier and preserve the chemical environment by recycling ions and neurotransmitters.
<u>Oligodendrocytes</u> :
The myelinate axons in the central nervous system and provide an overall structural framework.
<u>Ependymal cells</u> :
The line ventricles (brain) and central canal (spine) and are involved in the production of cerebrospinal fluid.
<u>Microglia</u> :
It removes cell debris, wastes and pathogens via phagocytosis.
Milk and milk products provide much of the vitamin D in people’s diets.
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<span>Marissa pedals her tricycle down the sidewalk. At what age was she likely first able to pedal?
</span>
<span>It is generally around 3 years that the child manages to drive a tricycle well. On a tricycle, the child must learn to pedal. He must therefore make alternate movements between the 2 legs while steering the handlebars. <span>Pedaling is neither a natural reflex nor an innate gesture.</span></span>
Answer:
Angina
Explanation:
Angina is chest pain or discomfort caused when your heart muscle doesn't get enough oxygen-rich blood. It may feel like pressure or squeezing in your chest. The discomfort also can occur in your shoulders, arms, neck, jaw, abdomen or back. Angina pain may even feel like indigestion.
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