Warm Up

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Warm Up

• The Digestive System by Sharon Fabian
• Answer all questions!
• If you were not here on Friday, you MUST take the
  exam today!!

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(No Transcript)
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The Digestive System

• It is complicated
• There are lots of parts and lots of processes
  that happen
• We will talk about them all, but we are going to
  break to down
• Please focus on the things we are talking about

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What is it?
Organs Involved
Mouth, Esophagus, Stomach Small Intestine,
Pancreas, Liver, Gall Bladder, Large Intestine
The body system that turns food we Eat into
fuel/energy that our cells need to function and
keep us alive
Digestive System
Cells need energy to keep you alive. We cannot
get energy from food until it has been digested.
Importance
Picture
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Functions of the Digestive System

1. Breaks down food into smaller molecules our cells
   can use
2. Absorbs food into our circulatory system (blood)
3. Eliminates waste products

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Digestion

• Function Process of breaking food into small
  pieces and removing nutrients
• Importance Turns the food we eat/drink into
  energy to keep us alive
• Other Info there are 2 types of digestion

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• Video
• Quiz

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2 Types of Digestion

• Mechanical Digestion -
• Chemical Digestion -

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Mechanical Digestion

• What Happens?
• Physical changes gt food is broken into smaller
  pieces
• Where?
• Mouth (teeth/tongue chew and mix food up)
• Stomach (muscles mash pound food)
• Importance
• Food must be broken up to swallow and digest

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Chemical Digestion

• What Happens?
• Food is changed into different substances, saliva
  and enzymes break down
• Where?
• Mouth gt Saliva
• Stomach gt Stomach Acid
• Small Intestine gt Enzymes
• Importance
• Food must be fully broken down before nutrients
  can be taken out

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Video

• http//www.brainpop.com/health/bodysystems/digesti
  vesystem/

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Nutrients

• Function Chemicals/Substances that a living
  needs to live and grow.
• Importance the energy cells need to do their
  jobs
• Other Info Calories how much nutrients or
  energy a food will give you

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Parts of the Digestive System

• Mouth
• Function Teeth and tongue work to break food
  into small pieces, saliva begins chemical
  digestion
• Importance Where digestion begins
• Other Info
• Mechanical teeth and tongue
• Chemical Saliva mixing with food

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Salivary Gland

• Function in mouth and throat, release saliva
• Importance need saliva to mix with food to help
  break it down and swallow

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Saliva

• Function
• A watery liquid that contains chemicals to help
  break down food
• Importance needed for chemical digestion
• Other info
• Commonly known as spit

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Esophagus

• Function carries food from mouth to stomach
• Importance uses involuntary muscle action to
  push food down to stomach
• Other info
• Solid food 8 seconds down
• Liquid 2 seconds down

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Stomach

• Function further digest food both chemically and
  mechanically using stomach acid and muscles
• Importance food storage, food broken down more
• Other info food stays in here for 4-6 hours

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Independent Work / HW

• Mighty Mouth
• The Stomach
• The Esophagus

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Exit Ticket

1. Why is the digestive system important to human
   life?
2. What are 2 organs involved in the digestive
   system?

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Warm Up

• Put HW on desk to be checked
• Review Sheet gt work on your own you may use
  notes and HW sheets if you need it
• You will have 12 minutes

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Warm Up

• Put HW on desk to be checked you have 3min to
  finish if you did not
• Take out packet from yesterday
• We will finish yesterday vocabulary

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Warm Up/Review Answers

• 3 functions of digestive system
• Break down food
• Absorb nutrients/food into blood
• Eliminate Waste
• 2. Why is digestion/the digestive system so
  important to human life?
• Answer cells need energy to live, energy is
  released from food when it is digested

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• 3. Where does digestion start?
• Answer the mouth
• 4. What happens to food during mechanical
  digestion?
• Answer it is broken into smaller pieces
• 5. Where in the body does chemical digestion
  happen?
• Answer Mouth(Saliva)
• Stomach(Stomach Acid
• Small Intestine (Enzymes

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• 6. The name of the tube that brings food from the
  mouth to the stomach
• Answer Esophagus
• 7. How does saliva help break down food?
• Answer has chemicals in it that help break down
  food during chemical digestion
• 8. In the stomach, what happens to food?
• Answer food is stored,
• broken down to a think liquid to be ready for
  small intestine, emptied into small intestine

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• 9. What role does your mouth play in chemical
  digestion?
• Answer Saliva in the mouth begins chemical
  digestion
• 10. According to the HW article the stomach,
  where does food go after the stomach?
• Answer Small Intestine

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HW Answers
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Continuing Vocabulary
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Peristalsis

• Function a series of wavelike muscle
  contractions which push food down your esophagus
  and mix food in your stomach
• Important how food moves through body

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• http//www.youtube.com/watch?vYJ34Qx6hzJk
• http//www.youtube.com/watch?vo18UycWRsaA

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Small Intestine Video
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Small Intestine

• Function Use Villi (like fingers that stick out
  from the surface of the small intestine) to
  remove nutrients from food and put it into blood.
• Importance your body needs nutrients, once in
  to the blood nutrients can be taken all over
• Other info about 25ft long
• Called small because the tube is small around

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Small Intestine Picture
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Villi
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Pancreas

• Function produces enzymes that help digest
  protein, fats and carbs
• Importance without the pancreas it would be
  hard to digest food or get nutrients from it
• Other info -

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Liver

• Function produces bile (an enzyme) and
  processes nutrients in the blood
• Important Bile helps the body produce fat and
  break down food also has jobs in other body
  systems
• Other info (under diaphragm)

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Gall Bladder

• Function stores bile until the body needs it,
  helps digest fat
• Importance you can live without it, helps the
  body digest faster
• Other info color green

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Enzymes

• Function help break down food
• Important chemicals the body needs to get all
  nutrients out of food
• Other info come from the pancreas and liver,
  stored in gall bladder

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Recap

• All nutrients are taken out of food in the small
  intestine
• - Enzymes made in the pancreas and liver help to
  break down food while it is in the small intestine

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Large Intestine

• Function food goes here after small intestine,
  remove water from food (What is left is waste
  material your body cant use)
• Importance Would be dehydrated if large
  intestine did not do its job.
• Other info After the large intestine, digestion
  is complete. AKA Colon

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(No Transcript)
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Large Intestine Video
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Rectum

• Function the final part of the large intestine
  that stores waste until it exits your body
• Importance Help keep waste in place until you
  are ready to use the bathroom

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Your Digestive System Labeling

• Use 49B

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Exit

• Which part of the digestive system removes
  nutrients and puts them in the blood?
• Large Intestine
• Stomach
• Small Intestine
• Mouth
• 2. Which part of the digestive system remove
  water from the remains of food?
• Large Intestine
• Stomach
• Small Intestine
• Mouth
• 3. Which parts of the digestive system produce
  enzymes?

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Warm Up

• Study packet and yesterdays review for quiz!!! gt
  SILENTLY on YOUR OWN
• Put HW on desk to be checked

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HW Review
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Quiz

• Eyes on your own paper
• No Talking
• Write all answers on quiz paper
• Textbook 45B 50B
• Check your reading questions
• 4-5 on 50
• Write questions and answers

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Exam Review

• Number grade Grade on exam
• Letter grade 2nd Quarter Final Grade
• Each question was worth 3.3 points
• Extra credit 2 points
• Partial credit was given for short answer
  questions

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Exam Review

• Correct Answers
• B
• B
• D
• A
• D
• B
• B
• C
• B
• A
• C

29. White blood cells fight, kill Or attack
pathogens (germs, Bacteria and viruses)

• 12. C
• 13. B
• 14. B
• 15. B
• 16. B
• 17. D
• 18. B
• 19. C
• 20. B
• 21. C
• 22. D

23. C 24. C 25. D 26. D 27. Cilia and Mucus are
in your nose. They help clean and filter the air
you breath. Without them germs and particles
would get in your body 28. Antibiotics because
they kill bacteria
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Quiz retake

• Old quizzes returned
• Correct answers on notebook paper
• Do not change anything on original quiz

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2nd Block Seating Chart
Front of Room
Door
Kolby Gadalupe Maya
Antonio Wilmer Judy Lakeeva
Zyon Syncere Geovanna Angela
Serena Tyler Tyreese
Kamren Andy
Quantone Allayah
Back of Room
Take out leveled curriculum work from Friday!
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3rd Block Seating Chart
Front of Room
Door
Katlyn Myles Sayra
Jonathan Luis Delvin
Edwin Jamari Kionna
Adriana DJ
Kayla Kelnasia Demarcus
Jermaine Vinnaja
Back of Room
Take out leveled curriculum work from Friday!
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5th Block Seating Chart
Front of Room
Door
Jalen Jose Drew
Jennifer B Mason Xavien
Chris Eldin Emely
Ramon Gadalupe
Deaundray Alfonso Dajah Moesha
Tarvarya Marvin Flor
Back of Room
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1st Block Seating Chart
Front of Room
Door
Larah Mitzy Alexander
Yomira Mercedes Carlos Tayviona
Jermaine Randy
Jarren Cyrene Jennifer
Jacorian Franklin Bryan
TyReyonna Jovaughn Alexis
Back of Room
Study for quiz retake!!!!!!!!!
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Leveled Curriculum

• Due date depends on behavior
• 5 signatures due end of class Tomorrow
• Less than due beginning of class tomorrow

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Leveled Curriculum

• Directions
• Working on your own
• Talking only when allowed
• Worksheets on front table

Due end of class tomorrow!
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Homework

• Leveled Curriculum
• Can you finish in one class period?
• Quiz Corrections
• 5 points added to grade for each you redo and get
  correct
• Rewrite question and answer on separate sheet of
  notebook paper

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Warm Up

• Sit in the same seat as yesterday
• Take out your Leveled Curriculum Work
• Begin working

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1st Block Quiz Retake Return

• You must take ownership of your education and
  your grades
• I do everything I can to give you the
  information, but I cannot memorize it or study it
  for you
• You must start to take this class and school more
  seriously if you want to be successful

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Class Quiz Averages

• 1st 54.6 (F)
• 2nd 80.4 (C)
• 3rd 80 (C)
• 5th 78 (C)

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Quiz Retake Assignment

• For each question you answered wrong on the
  retake THE 2nd TIME copy the correct answer 3
  times
• as soon as you finish you will work on your
  leveled curriculum take 40 minutes, too bad

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Intermediate Level

• Use textbook page 46B and note packet to create a
  mini poster about peristalsis
• You must have the following
• Explain what it is
• How does it work
• Why is it importance
• Picture

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Leveled Curriculum

• Due at the end of class (unless you got below 5
  signatures). No exceptions
• when finished staple all work together (not
  labeled diagram) with assignment sheet on top.

• Behavior Guidelines
• When allowed to talk, talk only to the people at
  your table
• Focus on the work you need to do
• Finish early extra credit assignment

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Learning Check

• Put everything away except for your pen/pencil
• Not a quiz grade, but you must act like it is
• No talking
• No looking at other peoples papers

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Learning Check Vocab

• Pancreas Mouth
• Bile Mechanical
• Small Intestine Chemical
• Large Intestine Nutrients
• Liver Stomach
• Water Gall Bladder
• Esophagus Saliva