Across
- 5. discharge of ova or ovules from the ovary.
- 8. the network of nerve cells and fibres which transmits nerve impulses between parts of the body.
- 10. The systems that excrete wastes from the body.
- 11. The organs that are involved in breathing.
- 12. shaking slightly and uncontrollably as a result of being cold, frightened, or excited.
- 13. the regulation of water concentrations in the bloodstream, effectively controlling the amount of water available for cells to absorb.
Down
- 1. a bodily function that helps regulate your body temperature.
- 2. The glands and organs that make hormones and release them directly into the blood so they can travel to tissues and organs all over the body.
- 3. the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.
- 4. the process in a woman of discharging blood and other material from the lining of the uterus at intervals of about one lunar month from puberty until the menopause, except during pregnancy.
- 6. A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases.
- 7. a craving or urgent need for food
- 9. your body's outer layer