19. which body system is responsible for rapidly communicating information
impulses? nervous system
20. which body system is responsible for responding to external stimuli?
integonentry system
21. give 2 examples of external stimuli.
22. give 2 examples of internal stimuli
23. what is the path food takes (name organs) in the digestive system.
24. major organs in respiratory system are:
lungs and tracha
25. what is the difference between veins and arteries?
26. what is the largest organ system?
27. what does the liver do?
28. where is the liver located?
29. what are hormones?
30. what do the kidneys do and which system are they part of?
31. what is the main organ of the nervous system?
brain, spinal cord nervey
32. what are enzymes and what makes them?
33. where are most all of the nutrients absorbed in the digestive sys
34. where are red blood cells made?
35. what are the types of muscles?