Biology Chapter 1 0.0 / 5 ? BiologyHealthy livingGCSEAQA Created by: chloesheehanCreated on: 07-09-13 16:32 WHAT DOES A BALANCED DIET INCLUDE? CARBOHYDRATES, FAT, PROTEIN, MINERALS AND VITAMINS 1 of 15 WHY DO PEOPLE BECOME OBESE? EAT MORE FOOD THAN THEY NEED 2 of 15 WHY DO PEOPLE WHO DONT EAT FIND LIFE DIFFICULT? THEY SUFFER DEFICIENCY DISEASES DUE TO LACK OF VITAMINS AND MINERALS 3 of 15 WHAT INCREASES CHOLESTEROL? FOOD ENRICHED WITH FAT 4 of 15 WHAT MEDICAL CONDITION CAN BE CAUSED BY HIGH CHOLESTEROL ? HEART DIESEASE 5 of 15 WHAT DO PATHOGENS CAUSE? INFECTIOUS DIESEASES 6 of 15 WHAT ARE PATHOGENS? BACTERIA AND VIRUSES 7 of 15 WHAT DO VIRUSES DO ? REPRODUCE INSIDE CELLS AND DAMAGE THEM 8 of 15 WHAT CAN DESTROY PATHOGENS? WHITE BLOOD CELLS 9 of 15 NAME 3 WAYS HOW WHITE BLOOD CELLS DESTROY PATHOGENS ? INGEST PATHOGENS, PRODUCE ANTITOXINS, PRODUCE ANTIBODIES 10 of 15 WHAT DO ANTIBIOTICS CURE ? BACTERIAL DISEASES 11 of 15 WHY ARE VIRUSES DIFFICULT OT DESTROY ? BECAUSE THEY REPRODUCED QUICKLY INSIDE THE CELLS 12 of 15 WHY DO PATHOGENS SPREAD RAPIDLY? BECAUSE THEY MUTATE/ CHANGE 13 of 15 WHAT HAPPENS IN NATURAL SELECTION? BACTERIA DEVELOP RESISTANCE TO ANTIBIOTICS 14 of 15 WHAT IS A VACCINE ? A DEAD OR INACTIVE PATHOGEN 15 of 15
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