Solve these clues to fill the grid.
- A body part made of tissues working together to perform a function.
- 3 Across
- A binding agreement between two or more persons that is enforceable by law (plural)
- 4 Across
- Tiniest unit of living things
- 6 Across
- To desire strongly or persistently
- 8 Across
- The time of the last part of something
- 10 Across
- To devote oneself to a ___ area of work
- 12 Across
- The male reproductive cell
- 13 Across
- One of the contractile organs of the body
- 1 Down
- To shield from danger, injury, destruction, or damage
- 2 Down
- Plastid containing ___ and other pigments
- 5 Down
- Part of an organism consisting of an aggregate of cells having a similar structure and function
- 7 Down
- A change of position that does not entail a change of location
- 9 Down
- An edible ___ made with gelatin and used as a dessert or salad base or a coating for foods
- 11 Down
