Across
- 1. An x-ray of blood vessels
- 4. General state of the environment around DNA
- 5. A complex mixture of hydrocarbons that occur naturally in a liquid, gas or solid form
- 6. A person's condition with regards to their emotional wellbeing
- 7. Mental action or the process of acquiring knowledge through thought, understanding, experience and the senses
Down
- 1. An element that radiates positively charged particles
- 2. A set of instruction
- 3. Effect caused by the friction of two materials