Solve these clues to fill the grid.
- An ___ originating from the abdominal aorta and supplying the kidneys and adrenal glands
- 7 Across
- Of or relating to the process of ___
- 9 Across
- Either of two saclike respiratory organs in the chest of vertebrates (plural)
- 10 Across
- A distensible membranous sac
- 1 Down
- Any of the small tubules that are the excretory units of the vertebrate kidney
- 2 Down
- A mechanical device in a camera that controls size of aperture of the lens
- 3 Down
- Either of two bean-shaped excretory organs that filter wastes from the blood and excrete them
- 4 Down
- The structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs
- 5 Down
- A sample of matter in which substances in different phases are in equilibrium (plural)
- 6 Down
- Liquid excretory product
- 8 Down