Respiratory System, Blood, and Heart

How many lobes of the lung does the right lung have?

• 2

• 3

• 1

• 4

Where in the respiratory tract does the exchange of oxygen and carbon dioxide take place?

• Larynx
• Bronchi
• Trachea
• Alveoli

In the process of breathing, during what stage does the movement of the diaphragm enlarge the thoracic cavity?

• Internal respiration
• External respiration
• Inspiration
• Experation

What important activity takes place in the lungs?

• Food is digested
• Waste filtered from blood
• Oxygen (O2) is exchanged for Carbon Dioxide (CO2)
• Trachea is exchanged for the larynx

The trachea branches off into two:

• Alveoli
• Bronchi
• Bronchioles

What is another name for the windpipe?

• Lungs
• Trachea
• Larynx
• Esophagus

Which part of the Respiratory System collects air from the environment & heats/moistens the air before entering the body?

• lungs

• nose

• heart

• mouth

Which is not a job of the respiratory system?

• taking in oxygen

• taking in carbon dioxide

• moisten air

• transport glucose

Which system shares the pharynx with the respiratory system?

• circulatory

• digestive

• excretory

• skeletal

When you exhale, the diaphragm

• moves upwards

• moves downwards

• flattens

• none of the above