1. Surprise Quiz - When finished, bring it to the front tray
Get digestive system ½ sheet
Label the diagram as best you can
We will revise it later

2. Fed Up Dietary fiber is also known as roughage. ___T___
The number of calories in an average bagel in 2005 was 2.5 times the number of calories in ___T___
Twinkies contain a lot of sugar, but little fiber and few
nutrients. ___T___
4. The number of calories in a cheeseburger increased by 333 between 1985 and __F__
5. Foods high in salt, sugar, and fat are the foods least likely to stimulate the brain’s reward system. ___F__
6. The bigger the serving of food, the more people tend to eat. ___T__
7. Smart snacks are those that are high in fiber and nutrients. ___T__
8. Dietary fiber slows the passage of food through the digestive system. __F___
9. Humans devote more of what they eat to fueling their brains than a chimp. ___T__
10. The avg serving of a soft drink in 1985 had about 85% of the calories that an avg had in ___F___ 34% Yo!!

3. The Digestive System
Chapter 14

4. Challenge Problem Pick up CH14 note packet from the front
Write down anything you know about the digestive system
Why do we get stomach aches?
Why is the digestive system important?

5. The Digestive System
Chapter 14

6. Challenge Problem
1. The esophagus is in between the _______ and the ______.
2. Describe either mechanical digestion or chemical digestion.
3. The last organ in the digestive system is the
Small intestine large intestine pancreas
4. What is your favorite fast food meal?
5. Get a note packet from the front.

7. LEARNING GOALS
14.A - Define the function of the digestive system and the purpose of metabolism.
14.B - Name the organs of the alimentary canal and accessory organs
14.C - Identify the overall function of the digestive food stuff and describe the general activities of each digestive organ
14.E: Describe the chemical and mechanical breakdown of food stuff as it is moved and mixed along the tract

8. Mechanical and chemical breakdown of food Absorption of nutrients
14.A - Define the function of the digestive system and the purpose of metabolism.
Function:
Mechanical and chemical breakdown of food
Absorption of nutrients
Elimination of wastes
Metabolism:
The sum total of the chemical reactions that occur in the body
Produces cellular energy (ATP)for use in all constructive/degradative cellular activities

10. Quick Quiz #1 What is another word for “alimentary canal?”
Where does the alimentary canal begin?
Where does the alimentary canal end?

11. 14.B - Name the organs of the alimentary canal and accessory organs
14.C - Identify the overall function of the digestive food stuff and describe the general activities of each digestive organ

12. 14.B - Name the organs of the alimentary canal and accessory organs
Salivary Glands
Parotid - ear, cheek
Submandibular - below jaw
Sublingual - under tongue

13. 14.E: Describe the chemical and mechanical breakdown of food stuff as it is moved and mixed along the tract
Function of the Mouth:
Mechanical: Food is chewed and broken down. Cheeks and lips keep food between teeth. Tongue manipulates and circulates food and begins swallowing.
Chemical: Enjoyment of food through taste buds and mixes food with saliva.

14. Quick Quiz #2
1. How does digestion of food begin with the mouth?

15. 14.B - Name the organs of the alimentary canal and accessory organs
This thing is why you make sound when you hiccup
Pharynx 
Back of mouth
Throat area
Above the larynx 

16. Quick Quiz #3
What do you think would happen if we were to eat or drink upside down?
How do astronauts in space eat and drink?

17. Function of the Pharynx: Mechanical:
14.E: Describe the chemical and mechanical breakdown of food stuff as it is moved and mixed along the tract
Function of the Pharynx:
Mechanical:
Peristalis (Paris-tall-sis): propels food down the pharynx to the esophagus with muscular contractions

18. 14.B - Name the organs of the alimentary canal and accessory organs
Esophagus:
Tube that runs from the mouth to the stomach
**The walls of the alimentary canal organs from the esophagus to the Large intestine are made of the same 4 basic tissue layers**

19. Function of the Esophagus:
14.E: Describe the chemical and mechanical breakdown of food stuff as it is moved and mixed along the tract
Function of the Esophagus:
Mechanical: Moves food down the esophagus from the pharynx to the stomach (peristalsis)

20. Peristalsis

21. Real video of gastric endoscopy

22. Challenge Problem
**Little Company of Mary Hospital is looking for volunteers, see flyer on the wall**
Could humans survive in Upside Down Land where everything hangs upside down? Explain
Describe how the digestive system functions for humans.
What might result from a dog eating something non- digestible? 

23. 14.B - Name the organs of the alimentary canal and accessory organs
BASIC TISSUES OF THE CANAL FROM THE ESOPHAGUS TO THE LARGE INTESTINE
1.  Mucosa - protects tissues and carries absorption
2.  Submucosa - glands, blood vessels, nerves
3.  Muscular Layer - smooth muscle tissue, circular & longitudinal fibers that pushes food along
4.  Serosa (serous layer) - outer covering of the tube, lubricates surfaces (serous fluid)

25. Wall of the Alimentary Canal

26. 14.B - Name the organs of the alimentary canal and accessory organs
Stomach:
- Stores recently swallowed food

27. Functions of the stomach:
14.E: Describe the chemical and mechanical breakdown of food stuff as it is moved and mixed along the tract
Functions of the stomach:
Mechanical: Store recently swallowed food. Mixes food as well.
Chemical: Acids within the stomach help to break down food into smaller parts to be absorbed by the blood.

28. 14.B - Name the organs of the alimentary canal and accessory organs
STOMACH MUSCLES:   Longitudinal, Circular, Oblique

29. Lower esophageal sphincter demo
Get stethoscope
Get something to drink
Listen to your partner’s lower esophageal sphincter working

30. Stomach Lining Mucus prevents stomach from digesting itself
Gastric Juices contain acids that break down food  - secreted by gastric glands
PEPSIN  - most important digestive enzyme for breaking down food
Mucus prevents stomach from digesting itself

31. 14.C - Identify the overall function of the digestive food stuff and describe the general activities of each digestive organ
Chyme - paste, after food has been broken down, released then into the duodenum via the pyloric sphincter valve
Rugae - folds within stomach
Gastric Pits contain glands to make juices

32. Thinking of the stomach and weight loss…
- Next week we will be doing a lab about the food y’all eat
Thinking of the stomach and health and weight loss…
What are some ways people can lose weight?
Let’s see a couple ways
OR, we could do what?!!!

33. 14.B - Name the organs of the alimentary canal and accessory organs
PANCREAS
Endocrine gland

34. Function of Pancreas Mechanical: None
14.E: Describe the chemical and mechanical breakdown of food stuff as it is moved and mixed along the tract
Function of Pancreas
Mechanical: None
Chemical: Regulates blood sugar levels with Insulin and Glucagon. Pancreatic juice also helps to break down fats

35. 14.B - Name the organs of the alimentary canal and accessory organs
Gall Bladder -
under liver
cystic duct -->
common bile duct
         
Function
stores bile, digests fat
                
*gallstones may form

36. 1 large right lobe | 1 smaller left lobe
14.B - Name the organs of the alimentary canal and accessory organs
 Liver
 1 large right lobe  | 1 smaller left lobe

37. Function of the Liver Chemical: Blood glucose levels
14.E: Describe the chemical and mechanical breakdown of food stuff as it is moved and mixed along the tract
Function of the Liver
Chemical:
Blood glucose levels
Breakdown of lipids and fats
Protein metabolism
Stores vitamins
Removes toxin
Destroys damaged RBC’s
Secretes bile

38. Liver - ducts and vessels
14.C - Identify the overall function of the digestive food stuff and describe the general activities of each digestive organ
Liver - ducts and vessels
Hepatic duct --> to common bile duct
Hepatic portal vein - circulates blood through liver

39. 14.I DESCRIBE THE METABOLIC ROLE OF THE LIVER- 3 FACTS

40. Small Intestine Starts at the pyloric sphincter
14.B - Name the organs of the alimentary canal and accessory organs
Small Intestine
Starts at the pyloric sphincter
1.  Duodenum (duo-deenum)
2.  Jejunum
3.  Ileum
**Mesentery 
- Membrane holds it together,  contains blood vessels

41. Greater Omentum

42. Challenge Problem- collecting
1. Identify 2 things we would not be able to do if someone removed our liver.
2. Describe peristalsis.
3. Besides regulating blood sugar, what is another function of the pancreas?
4. Would you rather lose the function of your esophagus or your stomach? Explain

43. Function of the small intestine Mechanical:
14.C - Identify the overall function of the digestive food stuff and describe the general activities of each digestive organ
Function of the small intestine
Mechanical:
Move food from the stomach down the digestive tract
Chemical:
Secrete chemicals to break down food
Carry nutrients away in the blood stream
In other words
ABSORBTION

44. Large Intestine: Cecum Appendix Colon (4 parts) Ascending Transverse
14.B - Name the organs of the alimentary canal and accessory organs
14.C - Identify the overall function of the digestive food stuff and describe the general activities of each digestive organ
Large Intestine:
Cecum
Appendix
Colon (4 parts)
Ascending
Transverse
Descending
Sigmoid
Rectum
Anus

45. Function of the Large Intestine
14.C - Identify the overall function of the digestive food stuff and describe the general activities of each digestive organ
Function of the Large Intestine
Mechanical: Mass movements (defecation): removes undigested food
Chemical:
Secretes mucus
Aids in digestion (bacteria in Large intestine: intestinal flora)
*****REABSORBS WATER*****
MOST IMPORTANT FUNCTION

46. Intestinal villi - increase surface area to absorb nutrients, connect to vessels

47. Quick Quiz
If a patient is malnourished, what part of the digestive system may not be functioning properly?
Patients with colon cancer have trouble properly doing what?

48. stomach
transverse colon
ascending colon
descending colon
cecum
appendix
sigmoid colon
rectum

49. 1.  esophagus
2.  liver
3.  stomach
4. pyloric sphincter
5.  duodenum
6.  pancreas
7.  jejunum
8.  ileum
9.  cecum
10. appendix
11.  ascending colon
12.  descending colon
13.  sigmoid colon
14.  anus

50. Challenge Problem
Get a sheet from the front and give it the college tear
Digestive System Quiz Tomorrow/Wed

51. Digestive system review- Describe the function of the following terms
Mouth Cavity
Large Intestine
Digestive System
Small Intestine
Pancreas
Gall Bladder
Liver
Esophagus
Rectum
Metabolism
Anus
Stomach
Be able to label the organs inside the digestive system

52. Challenge Problem Get out your notes and study guide
you have 10 minutes to study and quiz each other
You can write directly on the test
When finished
- bring to the front basket
- grab article and coding ½ sheet
Follow instructions on ½ sheet while reading article

53. Hormone Quiz Retake 5/6 Friday
Hormone and Glands Retake Fri Lunch
You won’t be able to use your notes this time
I would finish the hormone worksheet and use that to study if you are going to retake the quiz

54. Get out ‘Can Weight affect the Brain’