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Welcome Mr. Hickey’s         Class! Welcome Mr. Hickey’s         Class!

Welcome Mr. Hickey’s Class! - PowerPoint Presentation

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Uploaded On 2018-11-08

Welcome Mr. Hickey’s Class! - PPT Presentation

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

food digestive process system digestive food system process credit throat stomach pts intestines extra small eat intestine helps mouth

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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!!!Slide11
Slide12

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=YJ34Qx6hzJkSlide15
Slide16

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. Slide17
Slide18

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

anusSlide20
Slide21

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!