Answer:
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.
Answer: The four common traits of all muscles are Excitability or Irritability, contractibility, extensibility, and elasticity. Muscle tone refers to the ability of muscles to be slightly contracted at all times, even when not in use.
Explanation:
six good qualities of a friend would be
kind
trustworthy
caring
honesty
loveing
funny
there are many more qualities that a friend could have but these are the six that i thought of.
hope this helped :)
I believe the answer is A, it sounds the most reasonable.