LESSON 6

Have ready:
  • straight rows & backs to me
  • only lessonup (check code)
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Slide 1: Slide
BiologieMiddelbare schoolhavo, vwoLeerjaar 2

This lesson contains 18 slides, with interactive quiz, text slides and 1 video.

time-iconLesson duration is: 45 min

Items in this lesson

Have ready:
  • straight rows & backs to me
  • only lessonup (check code)
  • maximum brightness (F2) and maximum sound (F12)
  • Check force quit under the 🍏 logo (top left)


Slide 1 - Slide

HAVE READY:
- GOOGLE CLASSROOM
- YOUR HOMEWORK
- KERBOODLE PAGE 58
- YOUR HW

Slide 2 - Slide

LESSON 6

Slide 3 - Slide

HW FOR TODAY:
Organise the information in your mindmap and upload a screenshot.
Answer the questions on the worksheet about Renin
Complete the question on tb pages 60-61.

Slide 4 - Slide

MOUTH
STOMACH
LIVER
OESOPHAGUS
DUODENUM
SMALL INTESTINE
LARGE INTESTINE
PANCREAS

Slide 5 - Drag question

CHEMICAL DIGESTION:
  • BREAKING THE FOOD INTO EVEN SMALLER PIECES.
  • USING ENZYMES TO BREAK DOWN THE FOOD MOLECULES. 

Slide 6 - Slide

KERBOODLE PAGE 54

Slide 7 - Slide

Chemical digeston step 1: 
  • the place: the mouth (esophagus)
  • the enzyme: amylase
  • the liquid: saliva
  • the nutrient: carbodrates
  • the products: glucose & maltose

  • The enzymes in your saliva start breaking down the carbohydrate molecules into maltose and glucose.

Slide 8 - Slide

Chemical digeston step 2: 
  • the place: the stomach
  • the enzyme: protease
  • the liquid: chyme and hydrochloric acid
  • the nutrient: proteins
  • the products: amino acids

  • The enzymes in your chyme start breaking down the protein molecules into amino acids.

Slide 9 - Slide

Extra info about the stomach: 
  • the place: the stomach
  • the enzyme: rennin
  • the liquid: chyme
  • the nutrient: milk
  • the products:turns the proteins in milk solid and lump together so it is easier to digest

Slide 10 - Slide

Slide 11 - Slide

Before chemical digeston step 3: 
  • the place: liver
  • the enzyme: none
  • the liquid: bile
  • the nutrient: fats

  • Bile is an alkalyne and neutralises the acid in the chyme. (drops the pH).
  • Bile emulsifies (breaks chemical bonds) fats.

Slide 12 - Slide

Chemical digeston step 3: part A
  • the place: the duodenum
  • the enzyme: lipase
  • the liquid: chyme and bile
  • the nutrient: fats
  • the products: fatty acids and glycerol

Slide 13 - Slide

Chemical digeston step 3: part B
  • the place: the duodenum
  • the enzyme: amylase
  • the liquid: chyme 
  • the nutrient:carbohydrates and maltose
  • the products: glucose

Slide 14 - Slide

Chemical digeston step 3: part C
  • the place: the duodenum
  • the enzyme: protease
  • the liquid: chyme 
  • the nutrient:proteins
  • the products: amino acids

Slide 15 - Slide

Slide 16 - Slide

Slide 17 - Video

CHARACTERISTICS OF THE VILLUS:

- LARGE SURFACE AREA (MORE CONTACT MORE ABSORPTION)
- ONE CELL LAYER THICK (THIN WALLS FASTER ABSORPTION)
- GOOD BLOOD SUPPLY (FAST TRANSPORT OF NUTRIENTS TO THE REST OF THE BODY)

Slide 18 - Slide