Digestive System Mr Brainard 7 th Health Unit Outline Crossword Puzzle 10 pts Quiz 20 pts Notebook Check 10 pts Review Sheet 35 pts Exam 50 pts Total of 125 points ID: 722365
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Slide1
Welcome Mr. Hickey’s Class!Slide2
Digestive System
Mr.
Brainard
7
th
HealthSlide3
Unit Outline
Crossword Puzzle – 10
pts
Quiz – 20
pts
Notebook Check – 10
pts
Review Sheet – 35
pts
Exam – 50
pts
Total of 125 points!
You will find all materials on my website!
If absent, you need to see me to make up work!
Slide4
Plate It! Intro ActivitySlide5
Digestive System Learning Goals
Understand the structure and function of the digestive system.
Identify problems and diseases associated with the digestive system.
Identify techniques that keep the digestive system healthy.Slide6
Lets get a quick visual of the system and how it works!
http://
www.youtube.com/watch?v=Z7xKYNz9AS0Slide7
3 Main Functions
a
.
Digestion
– breakdown of foods within stomach and intestines for use by body’s cells
b.
Absorption
– passage of digested food from digestive tract into blood
c.
Elimination
– body’s expulsion of undigested food or body wastes.Slide8
The Digestive Process
4
sections
1. Mouth
2. Throat
3. Stomach
4
. IntestinesSlide9
The Digestive Process - Mouth
a
.
Teeth
break food you eat into
smaller
pieces
b.
Mastication
– the process of
chewing
c.
Saliva
is produced by salivary
glands
. Saliva
contains
an
enzyme that
breaks down food in
the mouth –
Amylase
.Slide10
The Digestive Process - Mouth
d.
Tongue
– shapes and prepares
food for swallowing
Make sure to brush tongue to avoid bad breath!!!Slide11Slide12
The Digestive Process – The Throat
a.
The uvula
– small flap of tissue at the back of the throat that prevents food from going to the nasal passages
b.
The epiglottis
– flap of tissue which covers the throat, preventing food from entering your airways. Slide13
The Digestive Process – The Throat
c.
When food is swallowed, it enters the
esophagus
– a 10 inch tube that
connects
the throat to the stomach
d.
Peristalsis
– series of involuntary
muscle
contractions that move food
through
the digestive system
e.
(similar to squeezing a tube of
toothpaste
from the bottom up)Slide14
Peristalsis
http://
www.youtube.com/watch?v=YJ34Qx6hzJkSlide15Slide16
The Digestive Process - Stomach
a
.
Stomach
- hollow
sac-like organ connected to the esophagus
b. Functions:
- digests food with gastric juices
- moves food into small intestine
c. Converts food into
chyme
- a
creamy mixture of food and gastric juices. Slide17Slide18
The Digestive Process - Intestines
a
. from the stomach, food moves into
small intestines
20-23
feet long, 1 inch in
diameter
This
is where most of the nutrients from food are absorbed into the body!!!
b
.
inner lining contains
villi
– tiny fingerlike projections that help absorb nutrientsSlide19
The Digestive Process - Intestines
c
.
any unabsorbed material goes from the small intestine into the
large intestine
d
.
here water is absorbed; helps to eliminate waste
e
.
undigested food passes through the large
intestine; or the
colon
f
.
exited through the
anusSlide20Slide21
Helpers of the Digestive System
1. It is important to note food DOES NOT pass through these
organs
!
2
.
Pancreas
a
. produces enzymes to help break
down food
b
. produces insulin to help regulate
blood sugar
levels
Slide22
Helpers of the Digestive System
3.
Liver
a
. produces bile
b.
Bile
– a green fluid that helps
breakdown
fats
4.
Gallbladder
a
. small pouch which stores the
bileSlide23
Crossword puzzle – 10 pts
I
dentify parts of the digestive
system Slide24
Functional Problem:
What is it? Causes
?
Symptoms?
Heartburn
Gas
NauseaSlide25
HEARTBURNSlide26
GASSlide27
NAUSEA Slide28
GASTRITISSlide29
LACTOSE INTOLERANCESlide30
PEPTIC ULCERSlide31
HEMORRHOIDSSlide32
Digestive System Care
1. Eat foods high in fiber!
Fiber helps food and waste pass through the digestive tract
Reduces risk of colon cancer
Beans, Prunes, Pears, and Leafy Green Vegetables are good sourcesSlide33
Digestive System Care
2. Drink plenty of water
8 glasses a day!
Helps keep things moving regularly Slide34
Digestive System Care
3. Eat slowly and don’t hurry through your meals
Eating too fast can cause gas or
indigestion Slide35
Extra Credit!
EXTRA CREDIT – DIGESTIVE SYSTEM
1. EAT A MEAL/SNACK WITH HIGH FIBER AND LOW IN FAT
TO EARN CREDIT FOR THIS, YOU MUST BRING IN THE FOOD LABEL OF THE SNACK YOU ATE AND ATTACH IT TO THE EXTRA CREDIT SHEET
2. DRINK 8 GLASSES OF WATER IN A DAY
THIS CAN ONLY BE COMPLETED ON A WEEKEND SO YOU CAN HAVE YOUR PARENTS WITNESS THIS THROUGHOUT THE DAY. HAVE THEM SIGN EXTRA CREDIT SHEET!
3. HAVE A 30 MINUTE SIT DOWN DINNER WITH YOUR FAMILY! EAT SLOWLY, RELAX, AND ENJOY YOUR MEAL!
HAVE YOUR PARENT FILL OUT AN EXTRA CREDIT WITNESS SLIP AFTER YOUR DINNER!