Unit 4: Summarizing the Senses

Question 1

Source: light waves striking the eye
Receptors: rods and cones in the retina
Key Brain Areas: Occipital lobe

Answer 1

Vision

Question 2

Source: Sound waves striking the other ear
Receptors: cochlear hair cells in the inner ear
Key Brain Areas: Temporal lobes

Answer 2

Hearing

Question 3

Source: Pressure, warmth, cold, harmful chemicals
Receptors: (including pain-sensitive nociceptors) mostly in the skin, which detect pressure, warmth, cold, and pain
Key brain Areas: Somatosensory cortex

Answer 3

Touch

Question 4

Source: Chemical molecules in the mouth
Receptors: taste receptors for sweet, sour, salty, bitter, and umami
Key Brain Areas: Frontal temporal lobe border

Answer 4

Taste

Question 5

Source: Chemical molecules breathed in through the nose
Receptors: Millions of receptors at top of nasal cavities
Key Brain Areas: Olfactory bulb

Answer 5

Smell

Question 6

Source: Any change in position of the body part, interacting with vision
Receptors: Kinesthetic sensors in joints, tendons, and muscles
Key Brain Areas: Cerebellum

Answer 6

Body position - Kinesthesia

Question 7

Source: Movement of fluids in the inner ear caused by head/body movement
Receptors: Hair-like receptors in the ears’ semicircular canals and vestibular sacs
Key Brain Areas: Cerebellum

Answer 7

Body movement - vestibular sense