The Respiratory System

What is the main function of the Respiratory system?

• To exchange gases between your blood and the air
• To provide movement and support
• To tell your body what to do and when
• To provide attachment sites for muscles

What is the major organ of the respiratory system?

• Brain
• Heart
• Lungs
• Liver

What moistens and heats air as it enters the body?

• Nose or mouth
• Trachea
• Lungs
• Diaphragm

This component of the respiratory system is also known as the windpipe...

• Nose
• Trachea
• Lungs
• Bronchi

Where does air go when it leaves the trachea?

• Back up the nose
• Into the left and right bronchi of the lungs
• Out of the body through the mouth
• Straight to the diaphragm

What system does the Respiratory system work with to provide oxygen to the cells of the body?

• Musculo-skeletal System
• The Digestive System
• The Nervous System
• The Circulatory System

What waste product is exhaled from the body after oxygen is inhaled?

• Hydrogen gas
• Carbon Dioxide
• Helium gas
• Carbon Monoxide

Which of the following is NOT a component of the respiratory system?

• Nose
• Trachea
• Pharynx
• Femur

Gas is exchanged between blood and the air in what blood vessel of the alveoli?

• Arteries
• Capillaries
• Veins
• RBCs

What muscle aids in the breathing process of the respiratory system?

• Diaphragm
• Calf muscle
• Biceps
• Pharynx muscle