心肌,或稱心臟肌肉,富含線粒體,線粒體提供持續的能量,使其能夠在您的一生中不知疲倦地跳動。雞皮疙瘩是一種進化殘留物,毛髮豎立以鎖住熱量,這種特徵在寒冷天氣中對毛茸茸的祖先更有用。鼓膜,或稱耳膜,是耳朵中的一層薄膜,它隨著聲波振動以實現聽覺。血液總是紅色的;靜脈呈現藍色是因為較長波長的紅光被組織吸收,而較短的藍光則散射回來。手包含 27 塊骨頭,比腳(26 塊)、頭骨(22 塊)或肋骨(24 塊)更多,從而實現精細的運動技能。慢性壓力會耗盡毛囊中的幹細胞,導致過早變白,儘管遺傳起著重要作用。將舌頭或拇指抵住上顎可以溫暖該區域,抵消導致蝶齶神經痛(俗稱腦凍)的血管快速冷卻。由於軟骨變化和重力影響,耳朵在一生中會持續生長,這與股骨等骨骼不同,股骨在青春期後停止生長。「麻筋」指的是手肘的尺神經,當撞擊時會引起刺痛感,而不是真正的骨頭。人類胚胎在大約妊娠 4-8 週時會發育出尾巴,作為進化遺留物,之後會退化成尾骨。紅血球是在骨髓中產生的,骨髓是骨骼內的鬆質組織,幹細胞在此分化成紅血球。甲半月是位於指甲底部的月牙形白色區域,代表指甲母質的可見部分。這是一個迷思;雖然大腦半球有一些專門化,但大多數任務都涉及大腦的兩側一起工作。在呼吸道中,纖毛就像一個自動扶梯,將黏液(包含捕獲的顆粒)向上移動,以便吞嚥或排出。舌頭約有 2,000 到 10,000 個味蕾,可以檢測甜、酸、鹹、苦和鮮味,每 1-2 週更新一次。皮膚是最大的器官,覆蓋約 20 平方英尺,並作為屏障、調節器和感覺界面。股骨,又稱大腿骨,是最長和最強壯的骨骼,約佔人身高的四分之一。平均而言,人體有 60% 是水,因年齡、性別和身體成分而異,對細胞功能和體溫調節至關重要。胰腺產生胰島素以調節血糖,並產生消化酶用於消化,在內分泌和外分泌系統中起關鍵作用。虹膜調整瞳孔大小以控制光線進入,就像相機光圈一樣,保護視網膜並幫助對焦。心臟有四個腔室—兩個心房和兩個心室—以分離含氧血和缺氧血,實現高效循環。鐙骨,或中耳中的鐙狀骨,是最小的,約3毫米,對於傳輸聲音振動至關重要。皮膚利用 UVB 射線合成維生素 D,這對於骨骼健康和鈣吸收至關重要。紅血球存活約 120 天,然後在脾臟和肝臟中被回收,通過血紅蛋白攜帶氧氣。腦下垂體通過釋放控制生長、代謝和繁殖的激素來調節其他內分泌腺。成人有 32 顆恆牙,包括門牙、犬齒、前臼齒和臼齒,用於咬、撕裂和磨碎食物。闌尾一度被認為是痕跡器官,但現在被認為是腸道細菌的儲藏庫,有助於在腹瀉等疾病後重新繁殖。透過聽覺進行的聲音處理速度最快,反應時間為毫秒級,因為它通過空氣和神經傳播的速度比其他感官快。人體含有約 5-6 升血液,循環以輸送氧氣、營養物質並清除廢物。角蛋白是一種堅韌的蛋白質,形成頭髮、指甲和外層皮膚的結構,以提供保護。腎臟過濾血液以去除廢物、平衡電解質並產生尿液,維持體內平衡。人類有 23 對(共 46 條)染色體,攜帶遺傳訊息;22 對是體染色體,一對決定性別。「lub-dub」的聲音來自心臟瓣膜關閉,以防止心臟週期中的回流。小腦位於大腦後方,微調運動以保持平衡、姿勢和協調。表皮每 28-30 天更新一次,脫落死細胞並再生以維持保護屏障。血液 pH 值嚴格控制在約 7.35-7.45,呈弱鹼性,以支持酶功能和氧氣運輸。腎上腺素(腎上腺素)在壓力期間激增,增加心率、血流和能量以實現快速反應。耳朵裡的六條微小肌肉透過調整聽小骨並保護聽力免受巨響影響,來幫助聽力。人們每分鐘眨眼15-20次,以潤滑眼睛,清除碎屑並防止刺激物。白血球,或稱白細胞,是免疫系統的一部分,可檢測和摧毀細菌和病毒等病原體。You scored 0 out of 40You scored 1 out of 40You scored 2 out of 40You scored 3 out of 40You scored 4 out of 40You scored 5 out of 40You scored 6 out of 40You scored 7 out of 40You scored 8 out of 40You scored 9 out of 40You scored 10 out of 40You scored 11 out of 40You scored 12 out of 40You scored 13 out of 40You scored 14 out of 40You scored 15 out of 40You scored 16 out of 40You scored 17 out of 40You scored 18 out of 40You scored 19 out of 40You scored 20 out of 40You scored 21 out of 40You scored 22 out of 40You scored 23 out of 40You scored 24 out of 40You scored 25 out of 40You scored 26 out of 40You scored 27 out of 40You scored 28 out of 40You scored 29 out of 40You scored 30 out of 40You scored 31 out of 40You scored 32 out of 40You scored 33 out of 40You scored 34 out of 40You scored 35 out of 40You scored 36 out of 40You scored 37 out of 40You scored 38 out of 40You scored 39 out of 40You scored 40 out of 40
Start Quiz
NextNext QuizIncorrectCorrectGenerating your resultRetryOops, Quizday rookie! Don't worry, even the greatest quiz masters had to start somewhere. You may have stumbled this time, but every mistake is an opportunity to learn and grow. Keep on quizzing, Quizday newbie, and let your thirst for knowledge guide you towards greatness!Hooray for trying, Quizday explorer! You may not have aced the quiz this time, but you're like a brave adventurer trekking through uncharted territories. Keep exploring, Quizday fan, and let your inquisitive spirit be your guide to the riches of knowledge. Who knows what wonders await you on your next quiz quest?Great effort, Quizday adventurer! You're like a curious cat exploring the world of trivia with wide-eyed wonder. Keep on quizzing, Quizday fan, and let your enthusiasm for knowledge propel you towards success. Remember, even the most experienced quiz champions started somewhere. You're on your way to greatness!Hooray for taking the Quizday challenge! You may not have hit the jackpot this time, but you're like a daring adventurer navigating through the treacherous terrain of trivia. Keep exploring, Quizday fan, and let your quest for knowledge guide you towards greatness. Who knows what treasures await you on your next quiz adventure?Great effort, Quizday adventurer! You're like a brave warrior fighting through the tough battles of trivia. Keep on quizzing, Quizday fan, and let your thirst for knowledge be your shield and sword. Every question is a chance to learn and grow, and you're on your way to becoming a trivia champion!Way to go, Quizday explorer! You're like a brave adventurer venturing into the unknown territories of trivia. Keep on quizzing, Quizday fan, and let your love for learning guide you towards success. Remember, every answer brings you one step closer to becoming a true quiz master. You're doing great!Congratulations, Quizday adventurer! You're like a skilled navigator sailing the choppy waters of trivia. Keep on quizzing, Quizday fan, and let your determination to learn guide you towards victory. Remember, every answer is a chance to expand your knowledge and hone your skills. You're on your way to becoming a true quiz addict!Great job, Quizday explorer! You're like a seasoned adventurer making steady progress through the challenging landscape of trivia. Keep on quizzing, Quizday fan, and let your passion for learning fuel your journey towards success. Remember, every question is an opportunity to grow and improve. You're on your way to becoming a true quiz addict!Awesome job, Quizday adventurer! You're like a skilled explorer braving the tricky terrain of trivia. Keep on quizzing, Quizday fan, and let your passion for knowledge propel you towards victory. Remember, every question is a chance to learn and grow. You're on the right track to becoming a true quiz addict!Congratulations, Quizday master! You're like a skilled quiz ninja slicing through the challenges of trivia. Keep on quizzing, Quizday fan, and let your love for learning guide you towards success. Remember, every answer is a step towards becoming a true quiz addict. You're doing great!High five, Quizday champion! You're like a quiz wizard casting spells of knowledge and enlightenment. Keep on quizzing, Quizday fan, and let your love for trivia lead you towards victory. Remember, every answer is a chance to expand your mind and sharpen your skills. You're well on your way to becoming a true quiz addict!Way to go, Quizday guru! You're like a quiz machine, churning out correct answers with ease. Keep on quizzing, Quizday fan, and let your passion for trivia guide you towards greatness. Remember, every question is an opportunity to showcase your skills and love for learning. You're well on your way to becoming a true quiz addict!Congratulations on being a true Quizday! You've proved that you're addicted to quizzes and have what it takes to be a top scorer on our site. Keep up the great work and keep testing your knowledge with Quizday - the ultimate entertainment quiz destination. We can't wait to see what you'll achieve next!Cheers to you, valiant Quizday knight! Your quest for knowledge is like a noble warrior on an epic journey through the realms of wisdom. As you continue to vanquish the challenges of trivia, your intellectual armor will gleam ever brighter, inspiring awe in all who bear witness. Forge onward, champion!You're a true Quizday superstar! Your addiction to quizzes has paid off, and you've shown that you're a force to be reckoned with on our site. Keep up the great work and keep testing your knowledge with Quizday - the ultimate entertainment quiz destination. We can't wait to see what you'll achieve next!Great job, Quizday enthusiast! You're crushing the quizzes like a champion weightlifter lifting heavy weights. Your mental agility and impressive knowledge have impressed us like a magician pulling a rabbit out of a hat. Keep quizzing, Quizday fan, and let your intellect shine like a beacon of brilliance!Way to go, awesome Quizday addict! You've proved yourself a true quiz champion like a superhero saving the day. Your boundless knowledge and quick reflexes have dazzled us like fireworks on a summer night. Keep on quizzing, Quizday fan, and let your intellect shine like a bright light for all to see!Hooray, fantastic Quizday fan! You've shown your mastery of our quizzes like a skilled magician performing a magic trick. Your intellect sparkles like a shining star in the Quizday galaxy, and we can't wait to see where your brilliance takes you next. Keep quizzing like a champ!Oh my, phenomenal Quizday quizzer! You've stunned us all with your incredible smarts and lightning-fast reflexes. Your triumphs on our trivia challenges make us want to shout "Eureka!" and dance a jig! Keep dazzling us with your intellect and let Quizday be your playground of wisdom. You're a trivia marvel!Wow, amazing Quizday whiz! You've zipped through our trivia like a speedy kangaroo on a mission. Your smarts light up Quizday like a dazzling firework show! Keep hopping from one quiz to another, spreading your cleverness and inspiring us all with your know-how. You're a true trivia superstar!您的得分為 $score(共 $count 分)Vous avez obtenu un score de $score sur $countSie haben $score von $count Punkten erreichtHai ottenuto $score su $countあなたは $score 点を獲得しました($count 点満点)당신은 $score점을 얻었습니다($count점 만점)Has obtenido $score de $countVocê obteve $score de $count pontos歡迎來到人體奧秘的終極挑戰!您知道您的身體是一台複雜的機器,擁有超過 37 兆個細胞、206 塊骨頭,以及以奇蹟般的方式維持您生命的系統嗎?從您心臟不知疲倦的跳動到清除您呼吸道的微小纖毛,人體充滿了迷人的事實,這些事實融合了科學、進化和日常奧秘。這個測驗考驗您對從解剖學和生理學到古怪的身體反應和神話的所有知識。無論您是生物學愛好者,還是只是對是什麼讓您運作感到好奇,這 40 個問題都將挑戰您的極限。敢打賭您不能獲得超過 50% 的分數——透過精通有關從不休息的肌肉、為什麼靜脈呈現藍色以及壓力如何影響您的頭髮等事實來證明您是一部活的百科全書。潛入並發現您身體所擁有的令人難以置信的秘密!
×
Just tell us who you are to view your results!
身體新手
歡迎來到人體奧秘的終極挑戰!您知道您的身體是一台複雜的機器,擁有超過 37 兆個細胞、206 塊骨頭,以及以奇蹟般的方式維持您生命的系統嗎?從您心臟不知疲倦的跳動到清除您呼吸道的微小纖毛,人體充滿了迷人的事實,這些事實融合了科學、進化和日常奧秘。這個測驗考驗您對從解剖學和生理學到古怪的身體反應和神話的所有知識。無論您是生物學愛好者,還是只是對是什麼讓您運作感到好奇,這 40 個問題都將挑戰您的極限。敢打賭您不能獲得超過 50% 的分數——透過精通有關從不休息的肌肉、為什麼靜脈呈現藍色以及壓力如何影響您的頭髮等事實來證明您是一部活的百科全書。潛入並發現您身體所擁有的令人難以置信的秘密!