Across
- 2. one of the two organs in your lower back that separate waste products from your blood and make urine
- 4. the operation of transplanting an organ, piece of skin etc.
- 6. a group of cells that have similar structure and that function together as a unit.
- 7. a membranous sac in humans and other animals, in which urine is collected for excretion.
- 9. to use machines to make goods or materials, usually in large numbers or amounts.
- 10. to separate one person, group, or thing from other people or things.
- 11. to grow again, or make something grow again.
- 12. to put something into someone’s body by performing a medical operation.
Down
- 1. an important new discovery in something you are studying, especially one made after trying for a long time.
- 3. prevent the backward flow of blood.
- 5. the regular beat that can be felt, for example at your wrist, as your heart pumps blood around your body.
- 6. one of the tubes through which blood flows in your body.
- 8. a doctor who does operations in a hospital.