| A | B |
| to survive (v) | to continue to live or exist |
| traumatic (adj) | emotionally distressing |
| hormones (n) | chemicals in the body |
| immune system (n) | how the body fights illness |
| ancestor (n) | a person from whom one is descended |
| to increase (v) | to rise; go up |
| unmanageable (adj) | uncontrollable |
| blood pressure (n) | the amount of blood in the circulatory system |
| prehistoric (adj) | a point in time before there were written records |
| caffeine (n) | a chemical found in tea and coffee |
| relationship (n) | a connection between people |
| quackery (n) | something that is phony; fake |
| to flee (v) | to run away |