第 1 题
1 分Which of the following is the primary role of the large intestine in the human digestive system?
Key Stage 2 (KS2) · Science
Animals Including Humans：练习题
2 道选择题即时批改，另有 4 道文字题附完整解题步骤，全部围绕「Animals Including Humans」。
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第 2 题
1 分A scientist is studying the skeletal system of a human. Which of the following is not a primary function of the skeleton?
第 3 题
2 分During exercise, the heart rate increases. Why does the heart need to pump blood faster during physical activity?
先自己写一遍答案，再对照解题步骤。
第 4 题
3 分Compare the function of the small intestine and the large intestine in the human digestive system.
先自己写一遍答案，再对照解题步骤。
第 5 题
4 分Animals Including Humans
The human circulatory system is responsible for transporting materials around the body.
(a) Name the three main parts of the circulatory system.
(b) Explain the function of the heart in this system.
(c) How does the composition of blood change as it passes through the lungs?
先自己写一遍答案，再对照解题步骤。
第 6 题
5 分Animals Including Humans
The human digestive system breaks down food into nutrients.
(a) In which organ does digestion begin, and what is the role of saliva?
(b) What is the main function of the small intestine?
(c) Describe the role of the large intestine in the digestive process.
先自己写一遍答案，再对照解题步骤。
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