Health or it's benifits

Blood Grouping "Every person's blood belongs to one of the four ABO groups. Blood types are named according to antigens present on RBC membranes "

Stress_ Adaptation:- "Stress is the physical, chemical or emotional factor that causes physically or mentally unrest and is also a factor in disease causation".  Causes of stress Stress occurs when individual is not capable to cope up with situation. Sensory input eg. Pain, bright light, noise, environmental issue.  Social issue eg. Relationship conflict, break ups, major events such as birth or death, marriage divorce.  Life experiences eg. Poverty , unemployment , drinking , smoking , exams  projects. Stages of stress Dr. Hans seyle give three stages of stress or it also called General adaptation syndrome.  1. Alarm stage "Fight or   flight "Reaction present in this stage.body physically react to stress by releasing adrenaline or other harmone is called corticotrophin. It increases heat or breathing rate . Other butterflies in stomach, dilatationin eyes dry mouth etc. They occur temporary 2. Resistance or adoption

Down   syndrome :- A genetic chromosome 21 disorder causing developmental and intellectual delays. Down  syndrome:-   Down syndrome     is caused  by trisomy 21 — the person has three copies of chromosome 21, instead of the usual two copies, in all cells. This is caused  by abnormal cell division during the development of the sperm cell or the egg cell. Feature of Down syndrome affected child:- At birth, babies with  Down syndrome  usually have certain characteristic signs, including: flat facial features. small head and ears. short neck. bulging tongue. eyes that slant upward. atypically shaped ears. poor muscle tone Is Down syndrome is inherited from morther Or father ? There is no definitive scientific research that indicates that  Down syndrome   is caused by environmental factors or the parents  activities before or during pregnancy. The additional partial or full copy of the 21st chromosome  which causes  Down syndrome can originate from either

Introduction "Human body is a complex structure. It is made of number of parts and each part have their different function and all these depend on each other".