| A | B |
| deliver | to take something to the right place |
| extreme | very unusual in some way; at the limit |
| struggle | to have a difficult time achieving a goal, to use force to try to stop something or get free of something |
| precious | very valuable; greatly loved |
| hero | a very brave person |
| terrible | extremely bad |
| injure | to harm or demage an organism |
| decide | to make a choice |
| serum | special medicine given in a shot |
| lungs | two spongy breathing organs, located inside the rib cage, that transfer oxygen into the blood and remove carbon dioxide from it |
| throat | the part of the airway and digestive tract at the back of the mouth |
| disease | a condition, other than one caused by injury, that keeps a part of the body from working normally; an illness |