i have some science questions.if u know english and science ,just come and help me
问题描述：
i have some science questions.if u know english and science ,just come and help me
What is heart attack caused by
what system or oragans does heart attack affect?
Give a short description of what heart attack is?
what are the symptoms or problems that someone can exhibit when they have heart attack?
can heart attack be cured or treated in any way?What is the treatment?
不是翻译..是用英文回答这些问题
答
心脏病是由什么引起的?
心脏病影响到什么身体系统和器官?
对什么是心脏病作一个简单的描述
当一个人有心脏病,身体会表现出什么症状或问题?
心脏病可以用什么方法医治吗?什么疗法?