" The Big Picture!" by Mr C

Last lessons Objective

The small intestines lab

Absorption in the small intenstines

1.   Role of large intestines

2.   The “scoop on poop”

3.   Intro to digestive hormonal regulation

Number One

a)   storage role, like stomach

b)   absorption of electrolytes, (sodium and potassium) and water

c)    large volume of probiotic bacteria that can help with vitamin K absorption

d)   Sensitive to stress

e)   Releases bicarbonate to change ph

f)     Produce specific antibodies

g)   Create a variety of forms of feces

Interactive notes

http://www.innerbody.com/anatomy/digestive/large-intestine

Video with review and quiz

http://study.com/academy/lesson/large-intestine-and-rectum-anatomy-functions-water-absorption.html

Function and defecation

https://www.youtube.com/watch?v=5zV8iyCJESo

Number Two

Believe it or not, the most common question asked of patients in a hospital is “how is your bowel movements”. Creating feces is a majour clue as to homeostasis in the body.

So some clues

1)   There is no normal

2)   Check for colouration

3)   Size and shape do matter

4)   Frequency may vary

5)   Odor can change

6)   Issues with water (constipation and diahrea)

7)   Colour can be clue to fat, blood or degree of healthy GI tract

8)   When in doubt think..Hydration and fiber

·      http://www.innerbody.com/anatomy/digestive/large-intestine

·      https://health.clevelandclinic.org/2015/10/the-scoop-on-poop-5-facts-you-should-know/

·      http://badgut.org/information-centre/a-z-digestive-topics/the-scoop-on-poop/

Poop and your puppy!

http://www.cpha.ca/en/programs/history/achievements/05-he/poop.aspx

Turd Trivia

https://springfieldmuseums.org/exhibitions/scoop-on-poop/

Number Three

A) Hormonal regulation of Digestive sytem

Regulating the flow at the stomach

·      Hormones can control a feedback loop (positive or negative.

·      If the stomach is the dam where food first is stopped then it makes sense that hormonal regulation starts with the stomach.

·      So lets consider how a dam works.

Videos

Intro video

https://www.khanacademy.org/science/health-and-medicine/human-anatomy-and-physiology/gastrointestinal-system-introduction/v/control-of-the-gi-tract

Deep water understanding

https://www.youtube.com/watch?v=1JJ-0IMBBPw

Notes

http://sciencelearn.org.nz/Contexts/Digestion-Chemistry/Looking-Closer/Hormonal-control-of-digestion

https://www.boundless.com/physiology/textbooks/boundless-anatomy-and-physiology-textbook/digestive-system-23/phases-of-digestion-226/hormones-of-the-digestive-system-1110-6772/

Notes from Stanford Med school!

http://med.stanford.edu/irt/edtech/video/fall2015auth/html/pdf/inde222-09-22-2015-09-lect-Lowe-1.pdf

Tricks with hormone regulation

1)   remember hormones in pairs, those that turn response on and those that shut it off.

2)   Name of hormones may include the tissue it is from (gastro for gut and gastrin)

3)   Remember magic numbers (5)

Questions to answer

1)   Which hormone is linked to which organ?

2)   How are hormones associated with type of food and or diet?

3)   Where do the hormones actions come into play?

Key Hormones

·      Gastrin

·      GIP

·      Secretin

·      CCK

·      Motilin

Piecing it together

·      Which hormone is linked to which organ source?

·      Which hormone is linked to specific nutrient in chime?

·      How could changing diet alter the types of hormones being secreted?

https://quizlet.com/4729474/biology-12-digestive-system-iiiiii-flash-cards/

(121 terms)

https://quizlet.com/4717605/bio-12-digestive-system-flash-cards/

(58 terms ..used this one in class)

https://quizlet.com/33643603/biology-12-digestive-system-flash-cards/

(48 terms)

https://quizlet.com/80058819/bio-12-digestive-system-flash-cards/