What part of the spinal cord represents an increase in cell body mass for upper limb control? what part of the spinal cord represents an increase in cell body mass for upper limb control? cervical enlargementcauda equinalumbar enlargementconus medullaris?

Answer;

-Cervical enlargement

Explanation;

-The spinal cord has an obvious enlargement in the cervical region, called the cervical enlargement, where the cell bodies controlling the upper limbs arise.

-It is a spindle-shaped swelling of the spinal cord that extends from the third cervical to the second thoracic vertebra, with maximum thickness opposite the fifth or sixth cervical vertebra, consequential to the innervation of the upper limb.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

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