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The ear is a sensory organ for hearing and balance. Inside the inner ear is the cochlea, this is the 'hearing' part of the ear. The inner ear is also where you find the semicircular canals, part of our balance system.
The eye is a sensory organ that responds to light and pressure. Human eyes recognise three colors, red, green and blue. The part of the eye that responds to light is called the retina, it is made up of rods and cones.
The heart has four chambers. At the top are the left and right atria, at the bottom are the left and right ventricles. Your heart will beat over 2.5 billion times, during your lifetime!
You have two kidneys, they filter the blood, using tiny tubes called nephrons, each kidney has about one million nephrons. Your kidneys help control the amount of salts, water, and minerals in your body.
The respiratory system includes all the structures used for breathing, the system supplies our bodies with Oxygen. It includes the mouth & nose, windpipe (trachea) lungs and their alveolar.
The cell membrane of almost all living organisms, is made of a lipid bilayer. The bilayer is semi-permeable, it separates the internal cell environment from its external environment. The bilayer contains transport proteins, used to move molecules in and out of the cell.
Bio-gas is a bio-fuel made by bacteria in a process called ‘anaerobic fermentation’. The bacteria break down plant material or animal waste (manure). Shown here is a ‘small scale’ bio-gas digester’, these are often used in isolated areas.
Geothermal energy uses the heat, from a few Kilometres below the Earth’s surface, to turn water into steam. The steam is then used to turn turbines and generate electricity. It is a renewable source of energy and, when running, doesn’t cause pollution.
Hydro-power plants use the energy of falling water (Gravitational Potential Energy) to generate electricity. The falling water turns turbines’ these convert the waters kinetic energy into mechanical energy. The mechanical energy is used to generate electrical energy.
The ‘Solar Flower’ is an all-in-one PV system to generate electricity for homes. It is very efficient because it uses electric motors, that turn the ‘petals’ (PV Panels) to always face directly towards the sun.
Tidal power, or tidal energy, is a form of hydropower that converts the energy from tides into useful forms of power, mainly electricity. Tidal energy has a good potential for future electricity generation.