Science Crossword Puzzle

4. to digest and absorb ingested nutrients and to excrete waste products of digestion.
6. Protection against microorganisms, dehydration, ultraviolet light, and mechanical damage.
9. vessels delivering blood to the organs and tissues in your body.
12. cord sends motor commands from the brain to the body, sends sensory information to the brain, and coordinates reflexes.
13. hemispheres controls muscle functions, and also controls speech, thought, emotions, reading, writing, and learning.
15. remove waste products from the blood and produce urine.
16. allows the passage of inspired and expired air into and out of the lungs.
17. holds the food and mixes it with acid and enzymes that continue to break the food down into a liquid or paste.
19. helps to eat spea, and breathe.

1. transports food entering the mouth through the throat and into the stomach.
2. carry air into your lungs.
3. Protection to the brain (cerebellum, cerebrum, brainstem), and orbits of the eyes.
5. allows the passage of inspired and expired air into and out of the lungs.
7. muscle it is responsible for the contractility of the heart and, therefore, the pumping action.
8. helps you inhale and exhale (breathe in and out.
10. regulates most chemical levels in the blood and excretes a product called bile.
11. controls thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger, and every process that regulates our body.
14. bring oxygen into our bodies and send carbon dioxide out.
18. acts as a passageway for air to enter the lungs and food and liquid to enter the esophagus.
20. pumps blood and oxygen around the body and delivers waste products (carbon dioxide) back to the lungs to be removed.