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Keeping Healthy
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How do bacteria cause disease
reproduce and release toxins
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Which blood vessel carries blood at a lower pressure
veins
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How do we treat bacterial infection
antibiotics
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How can we prevent viruses
vaccination
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Name 4 parts of the lungs
Trachea, bronchi, bronchioles, alveoli
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What is a tissue?
Group of cells with similar characteristics
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What is the function of the heart
Pump blood around the body
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what do painkillers do?
treat symptoms/kill pain
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Name an organ
heart, lungs, liver etc
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What are our main physical barriers to disease
skin, nose, trachea, hair, stomach
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Which type of respiration releases the most energy?
aerobic
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What is an disadvantage of vaccination?
Side effects/expensive
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Which side of the heart pumps oxygenated blood?
Left
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Which blood vessel contains valves?
veins
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How do viruses cause disease
invade a host, duplicate, burst
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What is a pathogen?
Microorganism which causes disease
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EQ anaerobic respiration in animals
Glucose --> Lactic Acid
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Name the 4 chambers of the heart
left and right atrium, left and right ventricle
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EQ for aerobic respiration
Glucose + Oxygen --> Carbon Dioxide + Water
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What is an advantage of vaccination?
Prevent spread of disease
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What is the thickest blood vessel?
Artery
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EQ anaerobic respiration in yeast/plants
Glucose --> Carbon Dioxide + Ethanol
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What do platelets do?
Clot blood to form a scab
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4 types of pathogen
Bacteria virus protist fungi
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What is the role of the Red Blood Cell?
Carry oxygen around the body
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Which side of the heart pumps deoxygenated blood?
Right
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What do white blood cells do?
eat pathogen, produce antibodies and antitoxins
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