Human Body Vocabulary Crossword

2. The uppermost part of the brain and the main component of the nervous system.
3. The muscular tube that connects the nasal cavity to the esophagus
5. The part of the esophagus that protects the lower respiratory tract from aspirating food into the trachea while breathing
7. The upper, thin walled chambers in the heart that helps the body have consistent blood flow.
12. A cartilage flap at the back of the mouth that separates the respiratory and digestive systems.
13. This organ drives the digestive system and maintains blood sugar.
15. A two layer tissue covering the outer surface of bones.
18. The inside of bones that sends blood cells into the circulatory system.
19. The part of the brain that regulates motor movement, coordination, balance and posture

1. The primary nitrogenous waste formed during protein breakdown, and the main component of urine.
2. These help maintain oxygen rich blood in the heart at all times.
4. Definition A muscle that pumps blood throughout the body.
6. The final segment of renal tubule in the kidney that collects urine.
8. A long, cylindrical organelle responsible for contraction.
9. Waste that is disposed of including urine, carbon dioxide, water, and salts.
10. The process where one nerve cell sends an electric message to another nerve cell.
11. A large muscle group running vertically down the spine from the sacrum to the skull.
14. A thick semifluid of partially digested food, water, and hydraulic acid.
16. A two layered membrane enclosing the lungs in thoracic activity.
17. The first section of the small intestine that connects the stomach and jejunum.