Share Science 4 - Unit 1.2 - Why we need a skeleton
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What are the three main functions of the skeleton? 骨骼的三个主要功能是什么？
Support, protection, and movement. 支撑、保护和活动。
What does "function" mean? "功能"是什么意思？
A job that something does. 某物所做的工作。
True or False: The skeleton has only one function. 对还是错：骨骼只有一个功能。
False. 错。
What does the skull protect? 颅骨保护什么？
The brain. 大脑。
What does the rib cage protect? 肋骨笼保护什么？
The heart and lungs. 心脏和肺。
What are organs? 什么是器官？
The soft and important parts inside your body. 你体内柔软而重要的部分。
Why do organs need protection? 为什么器官需要保护？
Because they are delicate. 因为它们很脆弱。
What do muscles do? 肌肉做什么？
They pull on your bones to help you move. 它们拉动你的骨头帮助你活动。
Fill in the blank: Your bones cannot move by themselves. They need ______. 填空：你的骨头自己不能动。它们需要______。
Muscles. 肌肉。
What does "length" mean? "长度"是什么意思？
How long or how tall something is. 某物有多长或多高。
True or False: If your bones were longer, you would be shorter. 对还是错：如果你的骨头更长，你就会更矮。
False. 错。
What decides your height and body shape? 什么决定你的身高和体型？
Your skeleton. 你的骨骼。
Which organ does the skull protect? A) Heart B) Brain C) Lungs D) Stomach 颅骨保护哪个器官？A) 心脏 B) 大脑 C) 肺 D) 胃
B) Brain. B) 大脑。
Which bone protects your heart and lungs? A) Skull B) Spine C) Rib cage D) Jaw 哪块骨头保护你的心脏和肺？A) 颅骨 B) 脊柱 C) 肋骨笼 D) 下颌骨
C) Rib cage. C) 肋骨笼。
What am I? I am a hard frame that supports your body and gives it shape. 我是什么？我是一个坚硬的框架，支撑你的身体并赋予它形状。
The skeleton. 骨骼。
Why do we need a skeleton? Give one reason. 为什么我们需要骨骼？说出一个原因。
To support our body, to protect our organs, or to help us move. 为了支撑我们的身体、保护我们的器官，或帮助我们活动。
