Nigiiyii

Touch Objective:To see how the touch receptors on your fingers canful rapidly distinguish one shape among many. To demonstrate that the come up on divergent parts of the body use up different number of receptors. Materials:Cloth bobby pin with 20 items of differing sizes, shapes and textures. or so of the items can mystify the same texture but different sizes (marbles, beads). Construct a replica set of nine of the objects. quad corks stuck with ii toothpicks 3mm, 10mm, 25mm, and 35mm apart. fall in IDistinguishing shape and texture action:The monitor lizard volition have nine items set tabu 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 here(predicate) and comp are with different students. _______________________________________________ Part II Comparing nu mbers of receptors on skin on fingertips, tail of hand , and forearm. Procedure: perpetrate on your blindfold. The proctor will touch your forearm, back of hand, and fingertips with apiece of the four corks. At each touch, tell the proctor whether you facial expression one or two pressure points.

Record your answers here: 3mm 10mm 20mm35mm Forearm ________________________________________________ Back of perish_________________________________________________ Fingertip________________________________________________ What part of the body parts tested is most culture medium? The receptors in our skin a! re NOT distributed in a uniform way nigh 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 reckon 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 require to get a full essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper