Across
- 2. The largest internal organ of the human body, which clots blood and protects from pathogens.
- 3. Visual sensory organs that are spherical in shape.
- 5. Connect the bones together.
- 7. Pumps about 2,000 gallons of blood every day.
- 8. The largest organ of the human body, which protects from external elements.
Down
- 1. Regulates blood sugar and plays a vital part in the digestive system.
- 2. Play a major role in the respiratory system, located in the thoracic cavity.
- 4. Bean-shaped and filter excess water and toxins.
- 6. Located in the head and suspended in cerebrospinal fluid.