Последние добавленные видео:
人體心臟
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6 years ago
125254 6 years ago 2:36101科學教室：心臟《國家地理》雜誌
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5 years ago
225925 5 years ago 4:00The Second Heart of the body! Tips to Keep Your Heart Healthy! (English Subtitles) | WeisWay
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4 years ago
19839 4 years ago 3:17動畫8.1 血液怎樣在人體內循環？
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2 years ago
55426 2 years ago 2:57Teach you a heart-nourishing action to strengthen your heart
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4 years ago
73674 4 years ago 9:46108新課綱｜七上生物｜【觀念】動物循環系統的組成－心臟、血管
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1 day ago
481 1 day ago 22:38地球誕生居然是外星人的手筆 地心深處隱藏大秘密 #神秘博士 #恐怖 #電影解說 #懸疑 #奇幻 #驚悚
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2 years ago
2756428 2 years ago 3:00:01Meditation Music: 3-Hour Alpha Waves - Super Recovery & Healing Frequency, Whole Body Regeneration,
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14 years ago
329572 14 years ago 8:15【科普教育】認識心臟功能與結構
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6 years ago
7862 6 years ago 14:44國中生物 人體心臟
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3 years ago
131656 3 years ago 14:00|生物教學|108課綱|血液循環|動物循環|肺靜脈|心臟循環|國中生物 (Animal circulation | Pulmonary veins | Blood vessels)
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10 years ago
27054 10 years ago 9:32心臟內外部結構
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5 years ago
6189 5 years ago 3:37人體有第二個心臟！健康狀況全看它｜三立新聞網SETN.com
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4 years ago
133735 4 years ago 3:59基督教會歌曲《神注重的是人的心》【詩歌MV】
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10 years ago
5437 10 years ago 2:01「心臟血管疾病預防與社區照護」人體血液循環系統