Surface Area Of Small Intestine 2
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Objectives
Students will be able to construct a model of a cross-section of the small intestine. Students will be able to explain how their model increases surface area available for diffusion of nutrients. Students will be able to define “villi” and “Micro-villi” and explain why these structures are vital for diffusion of nutrients.
A
B
Putty Challenge
Challenge: Create a shape with the most possible surface area out of the silly putty. No throwing. (Auto-detention.) 6 inch voices. No Pounding! (gentle…)
*** Hint: Think about how the tree and the sea anemone increases surface area. ***
In Your Notebook
Topic = Increasing Surface Area Date = Tuesday, November 10, 2009 Draw the two designs that you think best increase surface area. Below each of these pictures, explain why the design increases surface area so well.
Making a model of the Small Intestine
The ring of tickets is the outer wall of the small intestine. Use the stack of raffle tickets to create as much surface area inside the small intestine as possible. REMEMBER: You still must allow room for the food to pass through the small intestine.
In Your Notebook
Draw your successful model of the small intestine.
Below your drawing, explain how this model increases the surface area of the small intestine.
In Your Notebook
Read pages 54 and 55 in the Lab Manual.
Draw the villi and microvilli.
(hint: picture on page 54)
Write definitions for: Duodenum Villi Microvilli
Reflection: Why are villi important for digestion?
Students will be able to construct a model of a cross-section of the small intestine. Students will be able to explain how their model increases surface area available for diffusion of nutrients. Students will be able to define “villi” and “Micro-villi” and explain why these structures are vital for diffusion of nutrients.
A
B
Putty Challenge
Challenge: Create a shape with the most possible surface area out of the silly putty. No throwing. (Auto-detention.) 6 inch voices. No Pounding! (gentle…)
*** Hint: Think about how the tree and the sea anemone increases surface area. ***
In Your Notebook
Topic = Increasing Surface Area Date = Tuesday, November 10, 2009 Draw the two designs that you think best increase surface area. Below each of these pictures, explain why the design increases surface area so well.
Making a model of the Small Intestine
The ring of tickets is the outer wall of the small intestine. Use the stack of raffle tickets to create as much surface area inside the small intestine as possible. REMEMBER: You still must allow room for the food to pass through the small intestine.
In Your Notebook
Draw your successful model of the small intestine.
Below your drawing, explain how this model increases the surface area of the small intestine.
In Your Notebook
Read pages 54 and 55 in the Lab Manual.
Draw the villi and microvilli.
(hint: picture on page 54)
Write definitions for: Duodenum Villi Microvilli
Reflection: Why are villi important for digestion?
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