Complete the words
1. B_ _ _d v_ _ _ _ _s take oxygen around your body.
2. M_ _ _ _ _s make your atms and legs move.
3. Brain c_ _ _s are some of the smallest parts of your brain.
4. Chemicals which people put in thinvs to eat are called f_ _d a_ _ _ _ _ _ _ s.
5.You get better s_ _ _e in an exam if you explain your answer.