Question

1. Describe the basic features of how the immune system works in your body. Name and tell the function of at least two kinds of specialized cells that work to fight various antigens. Describe several ways that good nutrition supports the immune system.
2. Describe the difference between HIV and AIDS. Tell how AIDS develops and how good nutrition can support people with HIV infections.
3. Describe several risk factors for Hypertension and Coronary Heart Disease. Specifically for each, explain how someone with a genetic predisposition for the disease may, through good nutrition, reduce their risk.

Answer 1

0 L Ans 1 The immunity System is the bodys defense against infectious organisms other invaders The immune system is spread throughout the body & involves many types of cells organs, proteins & tissues. It can distinguish our tissue from foreign tissue is self from non self. Dead & faulty cells are also recognized & cleared away by immune system. It encounters a pathogen, for instance, a bacterium , virus or parasite by immune response → Immune system consist of antigen & antibody can antigen is any substance that can Spask an immine sesponse Antibodies are special proteins that lock on to specific antigens. The pathogens are killed by phagocythesis cans. Names of cells. gy Phagocytes : These cells surrounds & absorb pathogens & break them down. effectively eating them - siy Lymphocytes. They help the body to remember previous invaders & recognize them if they come

back to attack again B-lymphocytes they produce antibodies & help alert the Tlymphocytes . T-lymphocytes - they destioy compromised cells in the body & help alert other leukocytes cans. 3. brood nutrition for immune system: ix Proteins: - ed diet that supports al healthy immune system should contain foods providing high quality, complete protein such as that found in eggs, fish, vegetables lentils & grains as they are excellent sources of many of the immune stimulatiny amino acids": Vitamins i vitamin A - (Casyot orange Prorists orange colored food items), vitamin c (lemon, citrus fruits etc 1 vit E are essential to boost immune system 7 Minerals: zinc is a potent immunostimulant & its deficiency can result in profound Suppression of T-cell function iv) Antioxidants help maintain healthy tissue around the site of infection & support healing

eans-4 HIV → It is human immuno deficiency virus HIV finds & destroys. a type of white a blood cell that the immune system must have to fight disease AIDS → It is acquired immunodeficiency Syndrome when someone has one or more Specific infections certain cancers ,or a very low number of I cells he or she is considered to have AIDS. Patient will experience severe signs & symptoms disrupting the quality of life → In this patient will suffer minor difficulties, symptoms will be similar to flu.