了解骨骼如何支撑身体、保护躯干并帮助我们移动。伸手摸摸你的后颈,摸到自己的骨头了吗?你的颈部有7块颈椎骨。人类、老鼠和长颈鹿,你猜谁的颈椎骨更多呢?长颈鹿和老鼠也只有7块颈椎骨,没想到吧!长颈鹿的脖子那么长是因为它们的每一块颈椎骨都比我们的长得多。颈椎是人体骨架的一部分。骨架支撑起我们的身体并让身体有力量。如果没有骨架,人就会变成摔在地上的一堆肉。骨头还能保护人体。我们的心、肺等许多 Learn how bones support the body, protect the torso and help us move. Reach your neck, touch your bones? Your neck has seven cervical vertebra. Humans, mice and giraffes, guess who the cervical vertebra more? Giraffe and mouse only seven cervical vertebra, did not think it! Giraffe’s neck so long because each of their cervical vertebra are much longer than our . Cervical spine is part of the human skeleton. The skeleton supports our body and gives strength to the body. Without a skeleton, people become a pile of meat that falls to the ground. Bones also protect the body. Our heart, lungs and many more