Solve these clues to fill the grid.
- A symptom consisting of the involuntary expulsion of air from the nose
- 4 Across
- Tiny single-celled living things, some of which cause illness
- 6 Across
- The opening through which food is taken in and vocalizations emerge
- 7 Across
- A small apparently simple structure from which new tissue can develop into a complete organism (plural)
- 9 Across
- The organ of smell and entrance to the respiratory tract
- 1 Down
- Clear liquid we drink that falls as rain
- 2 Down
- Any of the terminal members of the hand (plural)
- 3 Down
- A room containing a bathtub or shower and usually a washbasin and toilet
- 5 Down
- The extremity of the superior limb (plural)
- 8 Down
- Used with water to wash
- 10 Down