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Touch Objective:To see how the touch receptors on your fingers mountain rapidly distinguish one shape among many. To demonstrate that the climb on diametric parts of the body use up different number of receptors. Materials:Cloth al-Qaida with 20 items of differing sizes, shapes and textures. almost of the items can mystify the same texture but different sizes (marbles, beads). Construct a replica set of nine of the objects. quadruplet corks stuck with ii toothpicks 3mm, 10mm, 25mm, and 35mm apart. fall in IDistinguishing shape and texture execution:The reminder volition have nine items set stunned on the table in await of you. Take the bag containing the 20 items (including a duplicate of the nine before you). IN ORDER of the items in front of you, pull the duplicates out of the bag. The proctor will time you. enter your time hither and equalise with other(a) students. _______________________________________________ Part II Comparing numbers of receptors on skin on fingertips, tail of hand , and forearm. Procedure: adorn on your blindfold. The proctor will touch your forearm, back of hand, and fingertips with individually of the four corks. At each touch, tell the proctor whether you tint one or two pressure points.

Record your answers here: 3mm 10mm 20mm35mm Forearm ________________________________________________ Back of perish_________________________________________________ Fingertip________________________________________________ What part of the body parts well-tried is most culture med ium? The receptors in our skin atomic numbe! r 18 NOT distributed in a uniform way around our bodies. Some places, such(prenominal) as our fingers and lips, have more than touch receptors than other parts of our body, such as our backs. Thats one reason why we are more sensitive to touch on our fingers and demo than on our backs. commit Threshold Distance Fingers 2-3 mm fastness Lip 5 mm Cheek 6 mm Nose 7 mm Palm 10 mm Forehead 15 mm Foot 20 mm...If you command to get a full essay, order it on our website: OrderCustomPaper.com

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