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Bio 12 (16-17) Lesson 33 Jan 20

Bio 12 (16-17) 33                                         Date Jan 20th,2017

 

 

Last lessons Objective

 

 

 

The small intestines lab

Absorption in the small intenstines

Evaluation
Today’s Objectives  

1.   Role of large intestines

2.   The “scoop on poop”

3.   Intro to digestive hormonal regulation

 

 
Topic

Number One

Key Points about the large intestines

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

 

 
Topic

Number Two

The “scoop on poop”

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/

 
Topic

Number Three

Now we examine how the digestive system is regulated.

 

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?

 
Text book Reference

 

   
You tube Reference Bio 12 quizlet (102 terms)

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/

 

 

 
Take Home Message Get to know your poop. It is a great indicator of happy homeostatic endeavours.
posted by Marc Bernard Carmichael in Biology 12,Biology 12 Lesson Outline,Biology 12 Practice Quiz References and have No Comments

Bio 12 (16-17) L 8 Oct 6

Bio 12 (16-17) L8                                Date: Oct Tues 6

 

Last lessons Objective

 

Review of Chapter 2

Introduction to Cell

 

Chapter 3

 

Class Notes or Information

 

1.   Quiz on molecules

2.   Lab on food types

Evaluations

 

MC Qz

Today’s Objective 1.   Success on Exam 1

2.   Viewing the cell and myths about the cell

3.   Surface area and volume

4.   Introduction to the idea of an organelle

 

 
Topic

Number One

Narrated video of cell

https://www.youtube.com/watch?v=FzcTgrxMzZk

 

 

 
Topic

Number Two

Some facts about cells

http://www.livescience.com/48741-facts-about-cells-nigms.html

 

 
Topic

Number Three

 

Why are cells so small?

Surface area and volume of cells

·      http://www.brooklyn.cuny.edu/bc/ahp/LAD/C5/C5_ProbSize.html

·      https://www.youtube.com/watch?v=jw0ZHLJGVTY

·      https://www.youtube.com/watch?v=rEZxq0lrnVQ

·      https://www.youtube.com/watch?v=CYaADg5NfEw

 

Cyto symbiotic theory

·      https://en.wikipedia.org/wiki/Symbiogenesis

·      https://www.youtube.com/watch?v=fJ1_wqx3hjI

·      https://www.youtube.com/watch?v=-FQmAnmLZtE

 

 

 
Text Reference Chapter Three

 

 

 
Google hunt Practice Quizzes on Cell biology

·      https://www.biologycorner.com/quiz/qz_cell.html

·      http://www.proprofs.com/quiz-school/story.php?title=parts–cell

 

 

 

 
Class Notes References Cell theory

https://en.wikipedia.org/wiki/Cell_theory

 

History of Cell theory (TED Talk)

https://www.youtube.com/watch?v=4OpBylwH9DU

 

 

 

 
Take Home message

 

 

 

You..are an ecological phenomena..composed of billions of cells. How cool is that!

Evaluation Next Class
posted by Marc Bernard Carmichael in Biology 12,Biology 12 Lesson Outline,Biology 12 Practice Quiz References and have No Comments