人體的平均體溫約為 37°C (98.6°F),透過體內平衡維持,以確保最佳的酶功能和代謝過程。皮膚是人體最大的器官,覆蓋約 2 平方公尺,作為抵禦病原體的保護屏障,調節體溫並促進感覺。成年人骨骼由 206 塊骨頭組成,透過關節和肌肉附著提供結構、保護器官並實現運動。鈣對於骨骼生長和密度至關重要,因為它與磷一起構成骨骼的礦物質成分,支持骨骼發育和修復。紅血球含有血紅蛋白,將氧氣從肺部運輸到組織,並將二氧化碳帶回排出體外。心臟是一個肌肉器官,透過循環系統將血液泵送到全身,為細胞輸送氧氣和營養。大腦不是肌肉,而是一個由神經組織組成的器官,負責處理訊息、控制身體功能並實現認知。成年人通常有32顆恆牙,包括門牙、犬齒、前臼齒和臼齒,用於咬碎和咀嚼食物。過度飲酒對肝臟損害極大,透過引起炎症和疤痕組織形成,導致肝硬化等疾病。四種主要味覺是甜、鹹、酸和苦;辣是辣椒素引起的疼痛感,不是真正的味覺。O型血是萬能捐血者,因為它缺乏A和B抗原,使其在輸血過程中與所有血型相容。胰臟產生胰島素和升糖素以調節血糖水平,並將消化酶分泌到小腸中。人類心臟有四個腔室—兩個心房和兩個心室—它們共同作用,分別泵送含氧血和缺氧血。鐙骨位於中耳,是最小的骨頭,長約3毫米,並將聲音振動傳遞到內耳。腎臟從血液中過濾尿素等廢物,產生尿液以維持體內的液體和電解質平衡。血漿是一種淡黃色液體,約佔血液總量的55%,並在全身運輸營養物質、激素和廢物。人類有12對肋骨,它們保護胸腔器官並通過擴張和收縮胸腔來協助呼吸。甲狀腺產生甲狀腺素(T4)和三碘甲狀腺原氨酸(T3),這些荷爾蒙調節新陳代謝、生長和能量使用。肌肉系統與神經系統協調,通過骨骼肌的收縮和放鬆來控制自主運動。食道是一條肌肉管,通過蠕動收縮將吞嚥的食物從口腔輸送到胃部。右肺有三個肺葉,左肺有兩個,為心臟留出空間並促進氣體交換。大腦是腦部最大的部分,處理思想、自主運動、感官訊息和記憶等高級功能。顱骨,或稱頭蓋骨,是一種骨骼結構,包覆並保護大腦免受傷害,同時容納感覺器官。小腸透過其絨毛和微絨毛從消化後的食物中吸收營養和水分,並將其傳輸到血液中。人類有兩個腎臟,這兩個豆狀器官過濾血液、調節血壓,並產生紅血球生成素等荷爾蒙。臀大肌是最大的肌肉,位於臀部,負責臀部伸展和保持姿勢。白血球,或稱白細胞,是免疫系統的一部分,保護身體免受感染和外來入侵者。脊髓在腦部和身體之間傳遞神經訊號,協調反射動作和自主動作。肝臟產生膽汁,有助於脂肪在腸道中的消化和吸收,並排毒血液。內耳,特別是前庭系統,透過充滿液體的管道和感應器來控制平衡和空間定向。打嗝是由於橫膈膜肌肉非自願性痙攣引起的,通常是吃太快、喝碳酸飲料或膈神經受到刺激所導致,從而導致突然吸氣。氣管,或稱風管,是一條將空氣從喉部輸送至支氣管的管道,內襯纖毛以捕捉微粒。膀胱是一個肌肉囊,儲存腎臟產生的尿液,直到通過尿道排出。褪黑激素由松果體產生,回應黑暗調節睡眠-覺醒週期,促進休息和晝夜節律。雞皮疙瘩是毛囊底部的微小肌肉收縮時發生的,這被稱為立毛肌反射,通常是對寒冷、恐懼或情感刺激的反應,以困住空氣保暖或顯得更大。人類體細胞含有46條染色體(23對),攜帶發育和遺傳的遺傳信息。細胞是最小的生命單位,在體內執行所有必要功能,如新陳代謝、生長和繁殖。腰椎區域位於下背部,由五節腰椎組成,支撐上半身,提供靈活性,並連接胸椎到骶骨。視網膜是眼睛後部的一層薄膜,它透過感光細胞將光線轉化為電訊號,然後這些訊號透過視神經傳送到大腦,形成視覺影像。成年人體內平均含有約4-6公升的血液,血液循環以運輸氧氣、營養、荷爾蒙和廢物,同時維持體溫和pH平衡。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
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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! 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歡迎來到人體問答!深入探索人體解剖學的迷人世界,測試您對維持我們生命和功能的複雜系統的知識。從支撐我們運動的骨骼框架到控制我們思想的複雜神經網絡,人體是生物工程的奇蹟。這個測驗涵蓋了器官、骨骼、肌肉、血液、感官等基本主題,挑戰您回憶事實並理解身體過程。無論您是溫習生物學的學生、健康愛好者,還是只是好奇您的身體如何運作,這 40 個問題將考驗您的專業知識。預計會有直接的事實、功能性見解和一些棘手的細節,讓您保持警覺。爭取滿分並在此過程中學習新知識——您的身體能夠做令人驚奇的事情,但您對它了解多少呢?祝您好運,請記住,在這個解剖學的冒險中,每一個細胞都很重要!
解剖學新手 – 剛剛開始旅程!
歡迎來到人體問答!深入探索人體解剖學的迷人世界,測試您對維持我們生命和功能的複雜系統的知識。從支撐我們運動的骨骼框架到控制我們思想的複雜神經網絡,人體是生物工程的奇蹟。這個測驗涵蓋了器官、骨骼、肌肉、血液、感官等基本主題,挑戰您回憶事實並理解身體過程。無論您是溫習生物學的學生、健康愛好者,還是只是好奇您的身體如何運作,這 40 個問題將考驗您的專業知識。預計會有直接的事實、功能性見解和一些棘手的細節,讓您保持警覺。爭取滿分並在此過程中學習新知識——您的身體能夠做令人驚奇的事情,但您對它了解多少呢?祝您好運,請記住,在這個解剖學的冒險中,每一個細胞都很重要!