The process of hearing starts by pressure/sound waves that are captured by our ears and taken inside the ear by the ear canal reaching firstly the eardrum. The eardrum then vibrates according to the pressure waves that were captured making the acicular (a set of 3 little bones) enter into motion. These vibrations then move from the acicular to the inner ear. Within the inner ear, we can find the cochlea which is where these mechanical waves are converted into electrical signals and then passed to the brain. The auditory cortex of the brain then interprets this signals as sounds and gives them meaning.
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OB Rough sketches of each object need to be added to their notes.
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The following are some of the reasons we preserve our food.
Not to lose it freshness
.To prevent contamination and infection
.To prevent food from smelling
.To keep insect and other pest away from the food.
Keeps farm produce in good condition for planting in the next season
.To keep food for a long period of time.
