SCI9 - RC - RESPIRATORY SYSTEM

Which is the correct pathway of oxygen to the lungs?

• nose > bronchus > trachea > larynx > pharynx > alveolus

• nose > larynx > pharynx > alveolus > bronchus > bronchiole

• nose > pharynx > larynx > trachea > bronchus > bronchiole > alveolus

• nose > trachea > bronchiole > alveolus > pharynx > bronchus > larynx

Which is NOT a part of exhalation?

• rib cage contracts inward

• diaphragm contracts

• lungs let out the air

• diaphragm relaxes

The trachea is also known as _________

• voice box

• windpipe

• vocal cords

• epiglottis

What are the small air passages that branch out into the segments of each lung?

• capillaries

• bronchioles

• blood vessels

• venules

This is the act of inhaling and exhaling air

• external respiration

• breathing

• internal respiration

• cellular respiration

Which is the correct statement of inhaling and exhaling air among humans?

• inhale carbon, dioxide, exhale carbon dioxide

• inhale oxygen, exhale carbon dioxide

• inhale oxygen, exhale oxygen

• inhale carbon dioxide, exhale oxygen

if food enters the pharynx, which passageway should it enter?

• trachea

• esophagus

• bronchi

• large intestine

Can the lungs fill with air (inhale) and let out air (exhale) without the diaphragm?

• yes

• no

When a person inhales, the diaphragm is said to contract. Visually, what does the diaphragm look like during inhalation?

• arched

• flat

• round

• swollen

When a person exhales, the diaphragm is said to relax. Visually, what does the diaphragm look like during exhalation?

• arched

• flat

• round

• swollen