respiratory system

consists of specific organs that are specifically responsible for the gas exchange

• Respiratory/ Ventilatory System

• Nervous System

• Cardiovascular System

• Skeletal System

as dual functions: both air and food pass through it.

Air passes from the nasal cavity through the ____to the larynx.

Food passes from the mouth through the ____ to the esophagus.

• TRACHEA

• LARYNX

• PHARYNX

• ALVEOLI

It has a unique switching mechanism that is closed during swallowing and open during breathing.

It is also responsible for producing vocalizations or speech.

• PHARYNX

• LARYNX

• ALVEOLI

• TRACHEA

is the widest passageway in the respiratory tract. The trachea connects the larynx to the lungs for the passage of air through the respiratory tract.

(WIDE PIPE)

• NOSE

• PHARYNX

• LARYNX

• TRACHEA

Air enters the respiratory system through the

• hand

• eyes

• nose and mouth

• ears

• Begins with breathing in or inhalation

• Oxygen in the air is transported to the heart through blood vessels

• The heart pumps oxygen-rich blood to all body parts

• Oxygen is transferred from the bloodstream to cells

• First Phase

• Second Phase

• Third Phase

• Fourth Phase

• Carbon dioxide moves from cells to bloodstream

• Bloodstream carries carbon dioxide to the heart

• Heart pumps carbon dioxide-laden blood to lungs

• Breathing out removes carbon dioxide from body, completing respiration cycle.

• First Phase

• Second Phase

• Third Phase

• Fourth Phase

• Nose

• Pharynx

• Larynx

• Trachea

• LOWER

• UPPER

• Bronchial tubes

• Bronchioles

• Alveoli

• UPPER

• LOWER

Air enters the respiratory system through the nose where the air is warmed and humidified.

• NOSE

• HAIR

• MOUTH

• HAIR