Respiratory System (Definitions)

Front 1

The organs of the ___________ include the nose, pharynx, larynx, trachea, bronchi and their smaller branches, and the lungs.

Back 1

respiratory system

Front 2

Gas exchange with the blood happens only in the _______.

Back 2

alveoli

Front 3

The passageways from the nose to the larynx are called the _______.

Back 3

upper respiratory tract

Front 4

those from the trachea to the alveoli are the _________.

Back 4

lower respiratory tract

Front 5

These conducting passageways also _______,_______, and _______ incoming air

Back 5

purify, humidify, and warm

Front 6

The _________, whether “button” or “hooked” in shape, is the only externally visible part of the respiratory system.

Back 6

nose

Front 7

During breathing, air enters the nose by passing through the __________.

Back 7

nostrils or nares

Front 8

The interior of the nose consists of the ___________.

Back 8

nasal cavity

Front 9

The nasal cavity is divided by a midline _________.

Back 9

nasal septum

Front 10

The ______________ for the sense of smell are located in the mucosa in the slitlike superior part of the nasal cavity.

Back 10

olfactory receptors

Front 11

The rest of the mucosa lining the nasal cavity called the __________.

Back 11

respiratory mucosa