Left ventricle is the answer.
True. it is extremely beneficial for your health if all of the elements are kept in balence.
The term that best fits the description given above is SPECIFICITY. Specificity formally refers to targeting training needs. These includes activities, workouts and exercises to be covered that aim to acquire the specific needs for the training. The answer is the second option.
They are most mainly consists of "Keratin"
So, option B is your answer.
Hope this helps!
