Solve these clues to fill the grid.
- Support resembling the rib of an animal (plural)
- 1 Across
- Grinding tooth with a broad crown (plural)
- 3 Across
- A quantity that can assume any of a set of values (plural)
- 5 Across
- A sharp bend in a road or river
- 9 Across
- A blood vessel that carries blood from the capillaries toward the heart (plural)
- 10 Across
- A blood vessel that carries blood from the heart to the body (plural)
- 12 Across
- Either of two saclike respiratory organs in the chest of vertebrates (plural)
- 13 Across
- An inquiry into unfamiliar or questionable activities
- 14 Across
- A tooth for cutting or gnawing (plural)
- 2 Down
- Animal tissue consisting predominantly of contractile cells (plural)
- 3 Down
- A sharp rigid animal process or appendage
- 4 Down
- A ___ in which ___ circulates (plural)
- 6 Down
- Red liquid pumped around the body by the heart
- 7 Down
- Organ that pumps blood around the body
- 8 Down
- Of or relating to ___
- 11 Down
- Gas in the air that we need to breathe
- 15 Down
