2.1 Respiratory system

2.1 Respiratory system

2.1.1 Draw and label the internal structures of the human respiratory system and describe the breathing mechanism. 

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respiratory strucure

Multiple Choice

NUMBER 1 is

• Lungs

• Pharynx

• Mouth

• Alveoli

Multiple Choice

Which of these organs is not a part of the respiratory system?

• Trachea

• Lungs

• Heart

• Pharynx

Multiple Choice

Which organ system includes the trachea, bronchi, lungs, and alveoli?

• Digestive system
• Circulatory system
• Respiratory system
• Endocrine system

Multiple Choice

What is the tube called that is also known as your wind pipe?

• Oesophagus

• Bronchi

• Trachea

• Alveoli

Multiple Choice

What is the function of the respiratory system?

• Take in oxygen only

• Remove carbon dioxide only

• Take in oxygen and remove carbon dioxide

• Make sugar

Multiple Choice

Which are the main organs in the respiratory system?

• Heart

• Stomach

• Lungs

• Nose

Multiple Choice

NUMBER 3 is

• Pharynx

• Trachea

• Bronchi

• Alveoli

Multiple Choice

NUMBER 6 is

• Lungs

• Trachea

• Mouth

• Alveoli

Multiple Choice

NUMBER 2 is

• Pharynx

• Bronchi 

• Alveoli

• Lungs

Describe the breathing mechanism. 

inhalation and exhalation process

inhalation process

exhalation process

Multiple Choice

When we inhale, Our diaphragm

• moves up

• moves down

• flatterns

• None

Multiple Choice

The muscles that helps to expand and contract the lungs, forcing air in and out

• Pharynx

• Nasal cavity

• Alveoli

• Diaphragm

Multiple Select

During exhalation....

• intercostal muscles contract

• air pressure in the thoracic cavity to decrease

• rib cage moves downwards and inwards

• diaphragm muscles relax and curve upwards

• intercostal muscles relax

Multiple Choice

Which is the correct air passage in the breathing mechanism?

• Nostril, nasal cavity, pharynx, larynx, trachea, bronchus, bronchiole, alveolus

• Nostril, nasal cavity, larynx, pharynx, trachea, bronchus, bronchiole, alveolus

• Nostril, nasal cavity, pharynx, larynx, trachea, bronchiole, bronchus, alveolus

• Nostril, nasal cavity, trachea, larynx, pharynx, bronchus, bronchiole, alveolus

Multiple Choice

Epiglottis is the structure that opens or closes the trachea.

• TRUE

• FALSE

Multiple Choice

How do you describe the condition of the diaphragm as one exhales?

• the diaphragm contracts

• the diaphragm relaxes

• the diaphragm goes down

• both a and c

Multiple Choice

Which of the following happens when the diaphragm curves upwards?

Antara yang berikut, yang manakah berlaku semasa diafragma melengkung ke atas?

• The ribs move upwards.

  Tulang rusuk bergerak ke atas.

• Air moves into the lungs.

  Udara bergerak masuk ke dalam peparu.

• The diaphragm muscles contract.

  Otot diafragma mengecut.

• Air pressure in the thoracic cavity increases.

  Tekanan udara di dalam rongga toraks bertambah.

Experiment 2.1A :

To study the difference in the percentage of oxygen in inhaled and exhaled air

textbook page 50-51

instruction on next slide

Breathing mechanism model/simulation

• group of two person within the same class

• make a model of respiratory system.

• make a folio/presentation to explain the respiratory model.

• include all photo in the folio.

• folio/presentation is up to your creativity. you can submit online folio which include video (up to you)

• submit after holiday. tq