respiratory system

Check off which things happen when you inhale (there are two!)

• Chest cavity expands

• Chest cavity gets smaller

• Diaphragm contracts

• Diaphragm relaxes

What is the volume of one breath called?

• minute ventilation
• inspiratory capacity
• tidal volume
• vital capacity

The volume of a normal breath 

• 3000mL
• 2400mL
• 1200mL
• 500mL

The pleura that surrounds the lungs consists of two layers, the ...........................

• visceral and parietal pleurae

• mediastinum and parietal pleura

• visceral and mediastinum pleurae

• none of the above

Which of the following structures is also called the voice box, and contains the vocal cords?

• Pharynx

• Larynx

• Trachea

• Epiglottis

These hair-like structures remove dust and dirt from the air.......

• Cilia

• Lungs

• Flagella

• Tonsils

What are the tiny air sacs at the end of the Bronchioles, that transfer oxygen into the blood stream?

• Trachea
• Bronchi
• Alveoli
• Larynx

What is Tidal volume

• The volume of air breathed in and out during one breath

• The maximal amount of air a person can expel

• The amount of blood pumped from the heart

• The additional air that can be forcibly inhaled after normal inspiration

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

• lungs

• nose

• heart

• mouth

Which of the following are structural features of the trachea?

• C-shaped cartilage

• smooth muscle fibers

• cilia

• all of the above