Điền các từ ở trong ngoặc vào ô trống
\((process, carbon \) \(dioxide\) \(, oxygen, blood, lung, pump, breathe, heart)\)
1. ______________ noun something natural that happens in the body.
2. ______________ noun two parts indide the top half of your body that you use to breath.
3. ______________ verb to make a liquid move to another placeby pushing it.
4. ______________ noun the part inside your chest that makes blood go around your body.