§1.3 The Respiratory system

• Biologie
• Middelbare school
• vwo
• Leerjaar 3

BS 1.1 and 1.2 Metabolism and respiration

Get your materials out, (notebook, Workbook 2A) 

Which homework assignments were difficult? 

Some check questions

but first......

Which substances are made during photosynthesis?

1. Oxygen and Glucose
2. Carbon dioxide and Glucose
3. Water and Oxygen
4. Water and Carbon dioxide

The photosynthesis reaction is:

... + 'energy' --> Glucose + O2

1. CO2 & H2O
2. CO2
3. H2O
4. Sunlight

Which two organelles are crucial in metabolism
(building and breaking down substances, e.g. glucose)

Chloroplasts,

only cells of green parts of plants

mitochondria,
in all animal, plant and fungal cells

In the image below you can see a picture of a girl at two different times of the day. During which of these two moment will she have more respiration? Explain your answer please.

BS 1.3 Respiratory system

'Gases enter and leave our body through the respiratory system' 

This lesson parts of the respiratory system:
 how do they look, what do they do? 

Read Basics 1.3 in your book,

underline important sentences, translate words you don't understand

Finished? Make exercise 1 to 4,  ( next week 6 to 9)

Glucose + Oxygen --> Water + CO2 + 'energy'

Here comes a lot of names...

• Glucose + Oxygen --> Water + CO2 + 'energy'
   
• How do the gases move? 

Pharynx

has any of you ever chocked on food/drink? 

Trachea (windpipe)

Pharynx

4 advantages of breathing trough the nose?

Air is: 

• heated
• moisturized 
• smelled (olfactory system)
• filtered by nosehair

basics 1.3 respriratory system

Read text in your book,

underline important sentences,
translate words you don't understand
Use 'begrippenlijst' in Som. 

Make exercise 1 to 4, 6 to 9