1. The Digestive and Endocrine Systems

3. All of these organs work together to break down food into simpler compounds that can be absorbed by the body.

8. Starch

10. Peristalsis

22. LIVER

29. YOUR ENTIRE MEAL’S JOURNEY THOUGH THE DIGESTIVE TRACT HAS TAKEN BETWEEN 24-33 HOURS !

30. mouth esophagus stomach liver gall bladder pancreas small intestine large intestine appendix rectum anus colon

33. USDA Food Guide Pyramid

42. Lock and Key Analogy Hormone = key Receptor = lock Like a key with a lock, hormones only fit certain receptors. Even a close fit won’t turn the lock.

45. 1. Hypothalamus tells pituitary to release hGH 2. hGH signals liver to release stored glucose 3. Higher glucose level signals hypothalamus that homeostasis is restored

49. Glucose Feedback Loop Blood Glucose Blood Glucose HIGH LOW Glucagon Insulin pancreas liver Glucose Target tissue Glucose release secrete secrete stimulates stimulates stimulates absorption absorption

51. Steroid Hormones

53. Amino Acid Hormones