sexual stage in which it is able to reproduce‚ and in intermediate hosts it experiences an asexual stage. In both hosts Toxoplasma gondii enters the cell‚ forms vacuoles‚ and protects itself from the immune system. If the immune system is weak then it can cause disease‚ but if the immune system is uncompromised then the vacuoles form cysts in the muscles and brain of the infected organism. There are four methods in which one might come in contact with the Toxoplasma infection; foodborne‚ animal-to-human
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can cause effects on their immune system and even long term issues. Protecting your child or children from preventable diseases is very important‚ and can be the difference between life and death. Vaccination protects your child from serious illnesses and diseases‚ which can include amputation of a leg or arm‚ paralysis of limbs‚ hearing loss‚ convulsions‚ and brain damage. Vaccination is the best way to protect children from preventable disease. The public school system agrees with this statement
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harmlessly along with the abundant "native" species of bacteria that normally grow the mouth‚ gastrointestinal tract and vagina. Usually‚ Candida is kept under control by the native bacteria and by the body’s immune defenses. If the native bacteria are decreased by antibiotics or if the person’s immune system is weakened by illness (especially AIDS or diabetes)‚ malnutrition‚ or certain medications‚ Candida fungi can multiply to cause symptoms. Candida infections can cause occasional symptoms in healthy people
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Some people who have eczema also have asthma or hay fever. Eczema is an inherited disease in which part of the immune system is over active. People with eczema can be shown to have multiple allergies on skin and prick testing‚ particularly to house dust mite‚ pollens and certain foods. Psychological stresses can provoke or aggravate dermatitis‚ presumably by suppressing normal immune mechanisms. Certain occupations such as farming‚ hairdressing‚ domestic and industrial cleaning‚ domestic duties
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as a defense mechanism against the immune system.[2] Compared to a normal antigen-induced T-cell response where .001-.0001% of the body’s T-cells are activated‚ these SAgs are capable of activating up to 83% of the body’s T-cells.[citation needed] Furthermore‚ Anti-CD3 and Anti-CD28 Antibodies (CD28-SuperMAB) have also shown to be highly potent superantigens (and can activate up to 100% of T cells). The large number of activated T-cells generates a massive immune response which is not specific to
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1. Explain what clonal selection theory is and its role in humoral or antibody-mediated immunity. Clonal selection theory is a rationalization for the growth of lymphocyte specificity and diversity during immune development. This theory demonstrates how immunological memory can deliver a fast reaction when coming into contact with an antigen that has been seen for the second time. Specifically‚ the clonal selection theory is based on the concept that premature‚ undifferentiated lymphocytes in the
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Stress is a term that is commonly used today but has become increasingly difficult to define. It shares‚ to some extent‚ common meanings in both the biological and psychological sciences. Stress typically describes a negative concept that can have an impact on one’s mental and physical well-being‚ but it is unclear what exactly defines stress and whether or not stress is a cause‚ an effect‚ or the process connecting the two. With organisms as complex as humans‚ stress can take on entirely concrete
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aramedic reviewPage 1 1. An exaggerated response by the immune system to a foreign substance is: a. an allergic reaction. b. an allergy. c. hypersensitivity. d. an immune response. 2. A life-threatening emergency that occurs due to an unusually exaggerated allergic reaction to a foreign protein or other substance is: a. anaphylaxis. b. hypersensitivity. c. an immune response. d. a primary response. 3. Approximately how many persons in the United States die annually
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release sweat and at the same time keep homeostasis. The systems involved were my nervous system and my integumentary system. 2. When I was shivering after getting out of the hot tub it was my muscles moving quickly. Muscles need a combination of fats and sugars burned with oxygen to move. This reaction is like burning and releases heat into your body to keep you warm and maintain homeostasis. This involves the nervous‚ muscular‚ and skeletal systems. 3. When I got cold this month my body’s blood vessels
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Crash Dieting is Unhealthy Crash Diets have thrown out many mixed signals to people who want to lose weight expeditiously. These types of diets consist of eating less than 1‚200 calories a day‚ which limits the amount of nutrients and minerals that the body needs. A lot of Celebrities use these diets in order to lose weight quickly for a big event. Many crash diets allow someone to lose weight rapidly‚ but calorie deprivation will cause many health issues such as metabolic damage‚ abnormal labs
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