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§1.3/1.4 The Respiratory system

1.3 The respiratory system
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Slide 1: Slide
BiologieMiddelbare schoolvwoLeerjaar 3

This lesson contains 30 slides, with interactive quizzes, text slides and 1 video.

Items in this lesson

1.3 The respiratory system

Slide 1 - Slide

The photosynthesis reaction is:

... + 'energy' --> Glucose + O2
A
CO2 & H2O
B
CO2
C
H2O
D
Sunlight

Slide 2 - Quiz

Animals get their energy from glucose
A
True
B
False

Slide 3 - Quiz

This lesson
- Parts of the respiratory system

Slide 4 - Slide

Glucose + Oxygen --> Water + CO2 + 'energy'
Gases enter and leave our body through the respiratory system

A process called respiration

Slide 5 - Slide

Slide 6 - Slide

Nasal and oral cavity

Slide 7 - Slide

Nasal and oral cavity

Slide 8 - Slide

Pharynx

Slide 9 - Slide

Swallowing
Choking

Slide 10 - Slide

Slide 11 - Slide

Trachea (windpipe)

Slide 12 - Slide

Alveoli

Slide 13 - Slide

Homework
Make assignment 1-4, 6-9

Slide 14 - Slide

The vocal cords can be found in the ...
A
Pharynx
B
Oesophagus
C
Epiglottis
D
Larynx

Slide 15 - Quiz

Which part separates the nasal cavity from the oral cavity?

Slide 16 - Open question

The branches of the windpipe are called ...
A
Bronchi
B
Bronchioles
C
Alveoli
D
Oesophagus

Slide 17 - Quiz

How does the body keep dust particles and bacteria from entering your respiratory system?

Slide 18 - Open question

Exhaled air has a higher concentration CO2 than inhaled air
True
False
No change

Slide 19 - Poll

§1.4 Breathing
- What is gas exchange and how does it work?
- How does breathing work?

Slide 20 - Slide

Respiration in cells
Glucose + Oxygen --> Water + CO2 + 'energy'

Oxygen enters the cells
CO2 leaves cells

Blood vessels transport these substances to and from the lungs

Slide 21 - Slide

Alveolus/Alveoli

Slide 22 - Slide

Alveoli
Very thin cell layers (± 1 cell thick)

Gases can flow freely from blood to alveoli and back

Slide 23 - Slide

Breathing in
Breathing out

Slide 24 - Slide

Mechanical breathing
Two types:
- Chest breathing
- Abdominal breathing

Slide 25 - Slide

Chest breathing

Slide 26 - Slide

Abdominal breathing

Slide 27 - Slide

Slide 28 - Video

 §1.4
Make exercise 1-3, 5-9

Slide 29 - Slide

Slide 30 - Slide

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