Solve these clues to fill the grid.
- Strands that grow on your head
- 3 Across
- A segment of DNA that is involved in producing a polypeptide chain (plural)
- 4 Across
- The entire physical structure of an organism
- 6 Across
- The monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
- 7 Across
- The distinctive quality or pitch or condition of a person's speech
- 8 Across
- A number of sheets of paper fastened together along one edge (plural)
- 1 Down
- To make something different (plural)
- 2 Down
- The process of an individual organism growing organically
- 4 Down
- Physical activity that keeps you fit
- 5 Down