Unit 4 - Human Body - Crossword Labs

4. Units used to measure the energy content of food
6. the "master gland" that regulates many body functions
8. intestine that is the longest part of the digestive tract
10. all the chemical reactions that occur within an organism
12. division of the skeleton that includes bones of arms, legs, hips, and shoulders
13. flat cell fragment that functions in blood clotting
16. process of taking in food for growth and energy
17. hormone produced by the pancreas that maintains blood sugar levels
18. clear, yellowish portion of the blood
19. blood vessels where an exchange of materials occurs between blood and body cells
23. digestion that uses enzymes such as amylase
24. substance that is produced by an endocrine gland
26. intestine at the end of the digestive tract involved primarily in water absorption
27. blood vessel that carries oxygenated blood from the heart
28. blood cells produced in bone marrow that fight disease
29. one of the tissue flaps in the veins that prevents backflow of blood

1. organ that filters out waste, water, and salt from the blood
2. movement of air into and out of the lungs
3. division of the skeleton that includes bones of the vertebral column, ribs, skull, and sternum
5. portion of the nervous system consisting of sensory and motor neurons
7. regulation of an organism's internal environment to maintain conditions needed for life
9. blood cell that transports oxygen to all the body cells
10. the physical digestion of food that occurs when food is chewed and churned
11. respiration that occurs between the atmosphere and the blood
14. organic compound needed in small amounts for the body's metabolic activities
15. organ in which gas exchange takes place
20. respiration between body cells and the blood
21. largest internal body organ in which bile is produced
22. inorganic compound that is used as a building material for the body and is involved in metabolic functions
23. portion of nervous system consisting of the brain and spinal cord
24. organ that pumps oxygenated blood to the body and deoxygenated blood to the lungs
25. nitrogenous waste product of the excretory system
29. blood that carries deoxygenated blood back to the heart