Subject Study / Biology

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-Biology (Download All)

..-Explanation of Biology's topic.
..-Defending against infection (Download All)
...>Antibiotics
...>More about white blood cells
...>Pathogens bacteria
...>Pathogens viruses
...>Vaccination
...>White blood cells
..-Enzymes (Download All)
...>Enzymes everywhere
...>Optimum conditions
...>What are enzymes
...>What do enzymes do
..-Nerves and Hormones (Download All)
...>Control systems
...>Hormonal system (Download All)
.....-Hormonal system
.....-Hormones in action
.....-How do they affect cells
.....-What are hormones
...>Nervous system (Download All)
.....-Nervous system
.....-Neurone structure
.....-Receptors
.....-Reflex action
.....-What happens at a synapse
...>The eye (Download All)
.....-Adapting to different light intensities
.....-Adapting to different objects
.....-Structure of the eye
.....-The eye
...>The pancreas (Download All)
.....-controlling glucose
.....-Diabetes
.....-Storing glucose for later
.....-Too little glucose
.....-Too much glucose
.....-Why is glucose
..-Respiration (Download All)
...>Aerobic respiration in animals (Download All)
.....-Aerobic respiration in animals
.....-Air sacs
.....-Breathing movements
...>Aerobic respiration in plants (Download All)
.....-Aerobic respiration in plants
.....-Respiration and photosynthesis
...>Anaerobic respiration (Download All)
.....-Anaerobic respiration
.....-In animals
.....-In plants
...>Respiration (Download All)
.....-Respiration
.....-With and without oxygen
..-Transport (Download All)
...>Blood vessels
...>Comparison of Transport in Mammals and Plants
...>Phloem
...>Transport in Mammals
...>Transport in Plants
...>Xylem