Respiratory System

Respiratory System Review

Review

The respiratory system is made of many parts that all work together to:

• deliver oxygen to your cells

• remove carbon dioxide from your cells

Multiple Choice

We breathe in _____& breathe out ______.

• oxygen, carbon dioxide

• carbon dioxide, oxygen

Structure of the human respiratory system

• Pharynx- is part of the conducting zone for air into the lungs.Main function is to warm and humidify air before it reaches the lungs.

  
  

• Larynx- to protect the airway from choking on material in the throat. To regulate the flow of air into our lungs The production of sounds used for speech.

Structure of the human respiratory system

• Trachea- also called the windpipe, cartilaginous tube that connects the larynx  to the bronchi of the lungs

• Bronchi- the airways that lead from the trachea into the lungs

Structure of the human respiratory system

• Alveoli- where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out. also called as air sac.

• Diaphragm- located below the lungs, is the major muscle of respiration.

Gas Exchange

• Air travels down into the alveoli

• The alveoli is where the gas exchange occurs (think of exchange like 'swapping')

Multiple Choice

the airways that lead from the trachea into the lungs

• Trachea

• Bronchi

• Larynx

• Pharynx

Multiple Choice

It is also called as air sac.

• Alveoli

• Bronchi

• Larynx

• Pharynx

Multiple Choice

It is also called as the voicebox

• Larynx

• Pharynx

• Bronchi

• Alveoli

Multiple Choice

It is also called as your windpipe.

• Larynx

• Lung

• trachea

• Bronchi

We now know that…

• Respiratory system includes trachea, bronchi, lungs, diaphragm, and the muscles between the ribs.

• Gas exchange is the diffusion of gases into and out of the body

• Oxygen diffuses from the air sacs into the blood. Carbon dioxide diffuses the other way. 

• Thin walls of air sacs help gas exchange to take place quickly.

Multiple Choice

What is the muscle called that assists with inhaltion & exhalation?

• diaphragm

• alveoli

• bronchus

Multiple Choice

The_______protects your lungs.

• bone

• rib cage

• heart

Multiple Choice

The left lung is a little bit smaller than the right lung, because_______________________________.

• The right lung is more important.

• The left lung has other jobs.

• The left lung needs to make space for the heart.

Multiple Choice

What's the other name for trachea?

• pipe

• windpipe

• foodpipe

Multiple Choice

Another main function of the respiratory system is to remove ______ _______ gas from the body. This can be toxic to the cells if it is not removed.

• nitrogen

• oxygen

• carbon dioxide

• helium