1.What will happen if a child doesn't have 10hours' sleep?2.why does a person need exercise

问题描述:

1.What will happen if a child doesn't have 10hours' sleep?2.why does a person need exercise
3.what will happen to your blood if you take exerxise?
4.what's will happen to your blood if you take exercise?翻译这些问题

如果一个小孩儿没有10小时的睡眠时间,会怎样?
为什么人需要运动?
做完运动后,血压会有何变化?
4有语法错误发错了,是what's the passage about?关于人的健康与运动,睡眠的关系。