Hi ! 
<em>Some white blood cells can also attack cancer cells.</em>
<em>A higher than normal number of lymphocytes or monocytes may indicate the possibility of certain types of cancers.</em>
 
        
             
        
        
        
Answer:Poor health and poverty do go hand-in-hand. But high levels of inequality, the epidemiological research shows, negatively affect the health of even the affluent, mainly because, researchers contend, inequality reduces social cohesion, a dynamic that leads to more stress, fear, and insecurity, and even depression, for some
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EXPALNATION When adjusting the ammount of oxygen the fooodwill be preserverd longer, this happens when you cutt an apple it starts to turn brown. 
 
        
             
        
        
        
White blood cells that produce antibodies - Lymphocytes
Systems of blood vessels that are responsible for removal of bacteria from the blood stream - lymphatic system
Outer layer of the skin - epidermis
Inner layer of the skin - dermis
        
             
        
        
        
There are many physical advantages of administering a dual spinal epidural or walking epidural during childbirth like walking epidural uses smaller needles and a system for administering an anesthetic, it also permits the woman to move freely during labor, and it has fewer effects than a traditional epidural. The disadvantage is a walking epidural cost less to administer.