Is nourishment - the nutrients and energy needed for health and growth
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Balanced Diet
Is a diet that contains the nutrients required for health in appropriate proportions
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Obesity
Is when a person is 20% or more heavier than the recommended weight for their height
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BMI
mass(kg)/(height in m)2
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Lipoproteins
Are a combination of lipid, cholesterol and protein used to transport fats and cholesterol around the body
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Selective Breeding
Is where the humans select the individual organisms that are allowed to breed according to chosen characteristics
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Fertilisers
Are minerals needed for plant growth which are added to the soil to improve its fertility
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Pesticide
is a chemical that kills pests
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Fungicide
Is a chemical that kills fungi
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Antibiotic
Is a chemical that kills or prevents reproduction in bacteria
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Health
Is a state of mental, physical and social wellbeing, not just the absences of disease
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Disease
Is a departure from good health caused by malfunction of the mind or bodt
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Parasite
Is an organism that lives in or on another thing, causing harm to its host
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Pathogen
Is an organism that causes disease
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Transmission
Is the way in which a parasitic micro-organism travels from one host to another
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Primary Defences
Are those that attempt to prevent pathogens from entering the body
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Immune Response
Is the specific response to a pathogen, which involved the action of the lymphocytes and the production of antibodies
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Antigens
Are the molecules that stimulate an immune response
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Antibodies
Are the protein molecules that can identify and neutralise antigens
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Specificity
An antibody is specific to a particular antigen because of the shape of the variable region. Each type of antibody has a differently shaped variable region
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Cell Signalling
Is the communication between cells that allows effective coordination of a response
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Memory Cells
Are cells that circulate in the blood after an immune response. They speed up the response to a subsequent attack by the same pathogen
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Lymphocytes
Are the white blood cells that circulate around the body in the blood and lymph. B cells mature in the bone marrow, while T cells originate in the bone marrow and mature in the thymus gland
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Vaccination
is a deliberate exposure to antigenic material, which activates the immune system to make an immune response and provide immunity
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Carcinogens
Are chemicals that cause cancer
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Chronic Obstructive Pulmonary Disead
(COPD) Is a combination of diseases including chronic bronchitis and emphysema
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Atherosclerosis
Is the deposition of fatty substances in the walls of the arteries
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Cardiovascular Disease
Is a disease of the heart or circulatory system
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Coronary Heart Disease
(CHD) Is a disease of the heart caused my the malfunction of the coronary ateries
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Stroke
Is the death of part of the brain due to lack of blood flow to that part of the brain and subsequent oxygen deficiency
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Risk Factor
Is a factor that increases the chance or risk that a person will develop a disease
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Epidemiology
Is the study of the distribution of a disease in populations, and the factors that influence its spread
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Other cards in this set
Card 2
Front
Is a diet that contains the nutrients required for health in appropriate proportions
Back
Balanced Diet
Card 3
Front
Is when a person is 20% or more heavier than the recommended weight for their height
Back
Card 4
Front
mass(kg)/(height in m)2
Back
Card 5
Front
Are a combination of lipid, cholesterol and protein used to transport fats and cholesterol around the body
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