Surface Area 3 And Review 1

  • June 2020
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DO NOW: In Your Notebook Topic: Wrapping up Surface Area  Write as many words relating to digestion as you can think of… 

YOU HAVE ONLY 3 MINUTES! *** Have your homework out! *** (If everyone has homework out… $5 Classroom Cash)

Raffle Ticket Model of Villi! 

See page 52-53 in lab manual



INQUIRY 5.2 (Begins on page 52)



Don’t forget steps 5 & 6 (on page 53)



When you’re finished, see the next slide.

In Your Notebook… Draw your raffle ticket design. Explain how this design increases surface area. Read pages 54 and 55 in the Lab Manual. Draw the villi and microvilli.

A.

B. 3.

(hint: picture on page 54)

 1.

Write definitions for:   

1.

Villi Microvilli Duodenum

Reflection: Why are villi important for digestion?

Share Out: Villi

Share Out: Villi

Share Out: Villi

Share Out: Villi Villi are Microscopic finger-like projections that line the walls of the small intestine to increase surface area available for absorption of nutrients.



Share Out: Microvilli

Share Out: Microvilli

Share Out: Microvilli Microvilli are tinier fingerlike projections that cover the villi. They increase the surface area available for absorption of nutrients in the small intestine.



Share Out: Duodenum

Share Out: Duodenum The first 25 centimeters (10 inches) of the small intestine. Digestion – or the breakdown of nutrients – is completed here.  The rest of the small intestine (nearly 7 meters or more than 20 feet is used for absorption. 

Using your Homework and your Partner… 





Make a sticky note for each box on the homework. Post the sticky note on the poster paper with the same label. When you’re finished: Read pages 48-49 in lab manual.  Fill out graphic organizer on the accessory organs of the digestive system. 

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