Across
- 2. the process of increasing in size.
- 4. a nerve cell that carries information between the brain and other parts of the body
- 7. a set of principles on which the practice of an activity is based
- 9. of being male or female
- 10. an action that is performed without conscious thought as a response to a stimulus.
- 12. the process in which someone or something grows or changes and becomes more advanced
Down
- 1. a fertilized egg
- 3. an agent or factor which causes malformation of an embryo
- 5. the ideas, customs, and social behaviour of a particular people or society
- 6. activity engaged in for enjoyment and recreation, especially by children
- 8. The basic unit of heredity that occupies a specific location on a chromosome
- 11. an unborn offspring of a mammal, in particular an unborn human more than eight weeks after conception