digestive system

• Engels
• MBO
• Studiejaar 2

Today's lesson you will learn

how the digestive system works

new vocabulary

how organs work

content of this lesson

do exercises in your reader page   40 - 45

watch a video clip and answer questions

What do you know about the digestive system?

organs

00:28

The digestive system contains ........ organs

1. 12
2. 9
3. 10
4. 7

01:17

which 3 organs break down food?

1. gallbladder, liver, spleen
2. pancreas, liver, gallbladder
3. liver, gallbladder, tongue
4. none of the above

01:42

Digestion begins in your

1. mouth
2. stomach
3. liver
4. brain

02:23

Food is pushed into your stomach by

1. muscular contractions called peristalsis
2. digestive juices
3. voluntary control
4. gravity

02:53

What does bile do?

1. it secretes nutrients
2. it breaks down proteins
3. it produces digestive juices
4. it digests fat

03:31

The role of the pancreas, liver, and gallbladder is to

1. use enzymes and bile to break down food
2. clear the system of any toxins
3. break food into small chunks
4. remove liquid from the stomach

04:36

how long does digestion take from the first bite to secretion?

1. 20 - 24 hours
2. 8 - 10 hours
3. 30 - 40 hours
4. 60 - 65 hours

Do it yourself

read page 40 - 43

underline or highlight difficult words and look them up

answer the questions on page 43 - 44