Vitamin b12 is essential for the proper functioning of which type of cells? epithelial (skin) nerve gastric (stomach) hepatic (liver)

The correct answer is nerve cells.

Explanation:

Cobalamine which is also known as vitamin B-12 which is very important for the human body. It helps in the synthesis of RBCs and plays an important role in protecting the nerve cells.  

Vitamin B- 12 helps in myelin sheath synthesis and maintenance. This myelin sheath makes the outer covering of neurons and plays an important role in the protection of neurons and relaying of signals at high speed.

Deficiency of vitamin B-12 causes damage to myelin sheath which results in different neurological problems. Therefore the correct answer is nerve cells.

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