Pain signals move from peripheral nervous system to the spinal cord and many gates are present in between which regulate these signals. The slow pain signals then move from the spinal cord to the <span>hypothalamus and limbic system. The former releases hormones which are stress-related, the latter is associated with the emotions and feelings related to the same. These signals are slow because they pass through the brain parts which are responsible for the emotions also, which is limbic system and prefrontal cortex. This lag time enables the person to feel the severity of pain and protect from it. For example, the soldier feels less pain because he is attached to the war scenario in a different manner, as compared to the civilian, and therefore, pain signals follow a different pathway, leading to a feeling of comparatively lesser pain and other activities are less affected.</span>
        
             
        
        
        
C ........................................ because most athletes dont want to get fat unless your like the rock where he gets really fat but works out all day 
        
                    
             
        
        
        
Answer: The answers are as follows;
- a- Cuticle
- b- Lunula
- c- Nail fold
- d- Nail Matrix
- e- Hyponychium
- f- Nail bed
Explanation:
- The cuticle is the overlapping epidermis around the base of the nail, it protects the nail matrix from infection.
- The lunula is found at the base of the nail, it is white in colour and lies over the matrix.
- The nail fold is the continuing skin which acts as a protective barrier, protects and seals the matrix against dirt and bacteria.
- The nail matrix which is sometimes called the nail root. it produces new nail cells. Keratinization process takes place in the epidermal cells of the matrix.
- The hyponychium is part of the epidermis under the free edge of the nail plate. it protects the nail bed from infection.
- The nail bed is the part of the skin which the nail plate rests on. it is rich in blood supply and lymph vessels for health nails. it provides nourishment and protection.
i hope this is elaborate and it helps.