FORM 2The world through our senses1

FORM 2The world through our senses
1.Sensory organsSensory organsType of sensesStimuli detectedSkinTouchTouch, temperature,pressure, painNoseSmellChemical in air TongueTasteChemical in foodEarHearingSoundEyeSight Light2.Pathway from stimulus to responseStimulus → receptors→ nerves → brain →nerves → effectors → response3.Sense of touch is the sense that is sensitive towards the touch pain,pressure, cold and heat.4.The skin of human is divided into two layers, dermis and epidermis.5.Types of receptors :–Pain receptor–Heat receptor–Pressure receptor–Cold receptor–Touch receptor1.Sensitivity of skin depends of two factors:–Thickness of the epidermis–Number of receptors1.Sense of smell is the sense that can detect stimuli produced bychemicals.2.The sensitivity of nose depends of two factors:–The strength of the smell–The presence of mucus1.The sense of taste is the sense that can detect stimulus produced byflavoured chemicals.2.The tongue is the sensory organ for taste.3.The tongue enables us to detect sweet, salty, sour, and bitter.4.The surface has many taste buds.5.The sense of hearing is the sense that can detect source of soundproduced by vibrating object.6.The function of each part of the eara)Pinna – collects and directs sound wave into ear canalb)Ear canal – directs sound waves to the eardrum

結果 (繁體中文) 2:

FORM 2The世界，通過我們的感官
sensesStimuli detectedSkinTouchTouch，溫度，壓力，painNoseSmellChemical的1.Sensory organsSensory organsType水TongueTasteChemical在foodEarHearingSoundEyeSight Light2.Pathway從刺激responseStimulus受體→→→腦神經效應→→→神經觸摸response3.Sense是意義上說，是朝著觸摸痛，壓力，冷和人的皮膚heat.4.The分為兩層，真皮和受體epidermis.5.Types敏感：-Pain受體受體壓力熱冷受體受體皮膚接觸receptor1.Sensitivity取決於兩個因素：receptors1.Sense的表皮，數-Thickness異味，可以檢測產生刺激鼻子的靈敏度bychemicals.2.The取決於兩個因素的意義：對-The實力氣味的存在，味覺是mucus1.The，可以檢測所產生的刺激感byflavoured chemicals.2.The舌頭是taste.3.The舌頭的感覺器官，使我們能夠探測甜，咸，酸，苦。 4.表面有許多味道buds.5.The聽覺是可以通過振動的方式，每個部分的object.6.The功能檢測的soundproduced源的意義上）耳廓-收集並引導聲波進入耳canalb）耳道-引導聲波耳膜