YR2-K4-LSN4

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 2

HAVE READY:

- HW FOR TODAY (uploaded)

- KERBOODLE PAGE 54

- YOUR NOTES

- GOOGLE CLASSROOM

LESSON 4

Review lesson 1:

• Nutrients 
• Sources and Uses 

What is sodium an example of?

1. carbohydrates
2. water
3. minerals
4. vitamins

What are peaches a good source of?

1. carbohydrates
2. water
3. fibres
4. proteins

What are nuts a good source of?

1. carbohydrates
2. water
3. fibres
4. proteins

Review lesson 2:

• balanced diets
• dietary choices
• psychological issues with food

Someone who is a ovotarian does not eat ..... and does eat .........?

1. vegetables, cheese
2. meat, eggs
3. meat, fish
4. vegetables, fish

Explain the difference between a vegetarian and a pescatarian.

Which religion does not allow any alcohol and any pork products?

1. Islam
2. Buddhism
3. Judeism
4. Christianity

Review lesson 3:

• Deficiencies
• Diabetes
• Unhealthy lifestyles

What deficiency is caused by a lack of iron?

1. scurvy
2. rickets
3. anemia
4. marasmus

What deficiency is caused by a lack of vitamin C?

1. scurvy
2. rickets
3. anemia
4. marasmus

What deficiency is caused by a lack of vitamin D & calcium?

1. scurvy
2. rickets
3. anemia
4. marasmus

Which type of diabetes is caused by a very unhealthy lifestyle?

1. type 1
2. type 2

Which type of diabetes is preventable?

1. type 1
2. type 2

LESSON 4

HW FOR TODAY:

1. HW  for lessons 2-4 should be completed and handed in.
2. Did you check you did it to the correct  level?
3. Answer sheets should be uploaded by this afternoon.
4. Make sure you have checked your own work for next week.
5. Any questions until now?

TODAY:

• How does our body process the food?
• Fases of digestion
• Teeth

How does our body process the food?

• INGESTION
• MECHANICAL DIGESTION
• CHEMICAL DIGESTION
• ABSORPTION
• EGESTION
• DEFAECATION

TIP!!

TOGETHER THESE TERMS ARE CALLED THE 7 FASES OF DIGESTION

rectum

pancreas

liver

mouth

stomach

oesophagus

large intestine

small intestine

INGESTION:

MOVING THE FOOD INTO YOUR MOUTH

MECHANICAL DIGESTION:

• BREAKING THE FOOD INTO SMALLER PIECES.
• THIS IS DONE BY YOUR TEETH
• BITING AND CHEWING

TEETH:

• INCISORS
• CANINES
• PREMOLARS
• MOLARS

• CHILD HAS 20
• ADULT HAS 32

TEETH:

• ENAMEL
• DENTINE
• PULP
• GUM

• PLAQUE

crown

root

dentine

pulp

jaw bone

gums

enamel

nerves & bloodvessels

What "-vores" do you remember from last schoolyear? (3)

HW FOR LESSON 5: 

• Complete the hw for lesson 5 on classroom to your correct level.
• Study the Quizlet of "Glossary Food & Digestion" (100% on learn, match and flashcards)