Category Archives: Brain

The Eight Senses: Smell and Taste

The Eight Senses: Smell and Taste     Types Physical stimulus Equipment Sub-Structures Role of the Brain Theories Olfaction (smell) Chemical molecules in the air Molecules -> inhaled via the nostrils, mouth -> nasal cavity -> olfactory cilia, olfactory epithelium … Continue reading

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The Eight Senses: Hearing

The Eight Senses: Hearing     Types Physical Stimulus Equipment The Role of the Brain Theories Hearing Sound waves (air pressure changes in compression and expansion through space) features: frequency of cycles (pitch – high/low sounds from vibration rates; hertz … Continue reading

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The Eight Senses: Vision

The Eight Senses: Vision     Types Physical stimulus Equipments Sub-Structures Role of the Brain Theories Vision Light waves (the electromagnetic spectrum from red to violet visible to the human eyes) Cornea: protection, light-gathering   Light -> sclera (white), aqueous … Continue reading

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Structures and Functions of the Brain

Brain Structures and Functions     Main Structures Locations Substructures Subdivisions/Features Functions Brain stem The lowest area of the brain, on the top of the spinal cord; life support structures with neurons for sensory/motor integration Medulla (medulla oblongata) Hindbrain Regulates … Continue reading

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