Transcript File

HW: Current events - Roll Call #1-4 on Fri.
Study all materials reviewing digestion from mouth to
stomach for Quiz tomorrow
11/9/15
Do Now: 1) Take out your Organs of the Digestive
system notes from Friday
2) What nutrient is digested in the stomach? Proteins
What enzyme digests that nutrient? Pepsin
What chemical neutralizes the acid in the stomach?
Bicarbonate
WHY does this happen?Neutralizes the Acid
How Long Is My Digestive
System?
Mouth: 13 cm (5 inches)
 Esophagus: 25 cm (10 inches)
 Stomach: 20 cm (8 inches)
 Small Intestine: 700 cm (21 feet)
 Large Intestine: 150 cm (5 feet)

Total Length: about 900 cm (about 28
feet)
Notes to Finish the Unit

Small intestine: 18-21 feet long
Most chemical digestion occurs here and
absorption of nutrients occurs here.
 _______________________________
All
_________
digestion finishes here
 Contain “_______”
that increase surface
villi
area for absorption

Large Intestine
What is this?
5-6 feet long
 Has helpful ___________
that feed on
bacteria
material passing through
 ___________________
Re-absorption of water occurs here
 Feces is stored
_____ here until eliminated by
wavelike contractions (peristalsis)

Accessory organs

No
________
food passes through these
organs!!
Liver
bile
Produces ______________
Fat
 Substance that breaks up __________
(chemical digestion)
Largest organ in the body
 __________

Gall Bladder
Bile is ____________
in the gall bladder
stored
 Gall Bladder releases bile through a duct
into the small intestine

Pancreas
Helps you digest food by breaking down
Carbohydrates
Fats
_________, Protein
______ and __________
 Pancreatic enzymes are released into the
Small intestine
________________

Digestion
Word Box:
Gall Bladder
Lg Intestine
Esophagus
Pancreas
Digestion
Sm Intestine
Rectum
Pancreas
Esophagus
Stomach
Bile
Sm. Intestine
Lg. Intestine
Rectum
Gall Bladder
Bile
Stomach
Small Intestine Activity

How does the small intestine increase its
surface area to absorb more nutrients???
Villus
Small
Intestine
Blood Vessel
Food Particle
Small Intestine
Diffusion
It is transported throughout the body
The villi increase the surface area
to allow for more absorption of nutrients into the body
A
B
A
A
B
A
A
BrainPOP – Digestion!

www.brainpop.com