Type
Crossword
Description

The name of the muscle underneath the ribcage. Diaphragm
Where does oxygen first enter the body? Nose
What do the intercostal muscles do during inspiration? Contract
What happens to the diaphragm when it contracts? Flattens
What happens to the size of the lungs during expiration? Decreases
What does the diaphragm do during expiration? Relaxes
Which direction do the intercostal muscles move during expiration? Downwards
The pressure of air inside the lungs during expiration. High
Where gaseous exchange takes place. Alveoli
Name for the movement of gases from a high to low concentration. Diffusion
Name of the muscles between the ribcage. Intercostal
The single pipe that air travels through after entering the mouth. Trachea

Respiratory System Crossword

Type
Crossword
Description

Site of gas exchange Alveoli
Tiny hair-like cells that sweep out foreign material in lungs. Cilia
Genetic disorder in which lungs are clogged with abnormally thick mucus. Cystic fibrosis
Thin sheet of muscle that play an important role in breathing. Diaphragm
A thin, moist, and slippery membrane that covers the outer surface of the lungs and lines the inner surface of the rib cage Pleura
Another word for inhalation. Inspiration
The volume of air that is inspired or expired in a single breath during regular breathing. Tidal Volume
The amount of pressure a gas exerts Partial pressure
A device that measures lung capabilities Respirometer
A process in which particles move from an area of higher concentration to an area of low concentration. Diffusion
Special receptors that detect changes of pH in blood. Chemoreceptors
Lung disease in which bronchioles swell and produce mucus. Bronchitis
Branches of windpipe that lead into the lungs Bronchi
Scientific name for the voice box Larynx
Condition in which the body cells do not have enough oxygen Hypoxia
Another term for exhalation Expiration
Infection that inflames the air sacs in one or both lungs. Pneumonia
This is where air first enters the body. Nasal cavity
Leads to the alveoli Bronchioles
Waste product of the respiratory system Carbondioxide

The Respiratory System Crossword

Type
Crossword
Description

What is the large muscle seperating the chest cavity from the abdominal cavity that helps with breathing? Diaphragm
What is the windpipe also known as? Trachea
What are the small spaces within the skull that regulate the temperature and humidity of the air taken into the body called? Sinuses
What is the tube that carries air down into the windpipe? Pharynx
What is the flap over the trachea that prevents clogging? Epiglottis
What carry air into the lungs? Bronchi
What is the voicebox known as? Larynx
What are the small air sacs within the lungs associated with gas exchange? Alveoli
When inhaling, what do your lungs do? inflate
What is the thin lining within the lungs that allows them to inflate and deflate without loosing shape? Pleura
What are the tiny hairs that keep mucus and dirt out of your lungs? Cilia
Severe chest pain, shallow breathing and fever are symptoms of? Pleurisy
What would one do in order to clear the upper respiratory tract? Sneeze
What does oxygen bind to on a blood cell? Hemoglobin
When standing, respiration is? Higher
What is the breathing disorder characterized by coughing and wheezing? Asthma
What infection occurs when there is an inflammation of lungs where air sacs fill with pus and liquid? Pneumonia
How many lobes does the right lung have? three

Respiratory System Crossword Puzzle

Type
Crossword
Description

the cavity behind the nose and above the roof of the mouth that filters air and moves mucus and inhaled contaminants outward and away from the lungs. Nasal Cavity
voice box-passageway for air moving from pharynx to trachea; contains vocal cords. Larynx
one of the tubules forming the respiratory system. Trachea
The passages that branch from the trachea and direct air into the lungs. Bronchi
the paired organs in the thoracic cavity where gas exchange takes place between air in the alveoli and blood in the pulmonary capillaries. Lungs
progressively smaller tubular branches of the airways. Bronchioles
tiny sacs of lung tissue specialized for the movement of gases between air and blood. Alveoli
short structures projecting from a cell and containing bundles of microtubules that move a cell through its surroundings or move fluid over the cell's surface. Cilia
protective secretion of the mucus membranes. Mucus
passing or able to pass air in and out of the lungs normally. Breathing
the metabolic processes certain organisms obtaining energy from organic molecules. Respiration
the exchange of gases between the air in the alveoli and the blood in the pulmonary capillaries. external respiration
the uppermost cartilage of the larynx; covers the larynx during swallowing epiglottis
inhalation; the intake of air into the lungs inspiration
any of the fine branching blood vessels that form a network between the arterioles and venules. Capillaires

Gas Exchange Crossword

Type
Crossword
Description

dome shaped muscle that that separating thorax from abdomen diaphragm
body cavity that connects nasal and oral cavities pharynx
chemical formula of carbon atom bonded to two oxygen atoms co2
chemical formula for oxygen o2
muscle groups situated between ribs that create and move chest intercostal
muscles in front of the abdomen that assists in regular breathing abdominal
exchange of air between the lungs and atmosphere ventilation
the act or process of releasing air from the lungs through the nose or mouth expiration
the drawing in of breath; inhalation inspiration
any minute branches into which a bronchus divides bronchiole
Cell responsible for production and secretion of surfactant Pneumocyte
Large membraneous tube reinforced by rings of cartilage Trachea
Network of microscopic blood vessels that connect arterioles with venules Capillary bed

The Respiratory System Crossword

Type
Crossword
Description

Covers larynx during swallowing epiglottis
organ of gas exchange lung
Cover the lungs and line the chest cavity pleuralmembranes
Common passageway for air, food, and drink (throat) pharynx
Muscles that surround the lungs and cause inhalation and exhalation musclesofrespiration
Passageway for air and food mouth
Branching airways bronchi
Encloses thoracic cavity and protects heart and lungs ribcage
Moves ribs during respiration intercostalmuscle
Air sacs for gas exchange alveoli
Production of sound (voice box) larynx
Filters, warms, and moistens air naval cavity
Main airway (windpipe) trachea
Skeletal muscles of respiration diaphragm
Lead to alveolar sacs Bronchioles
Passageway for air nose

The Respiratory System Crossword

Type
Crossword
Description

Set of organs in the rib cage with branching passages where air is inhaled and exhaled Lungs
Where air is drawn, moistened and filtered Nose
When this organ moves down, air is drawn into the lungs Diaphragm
A flap of cartilage behind the root of the tongue, which is depressed during swallowing to cover the opening of the windpipe Epiglottis
Located at the back of the nose and mouth Pharynx
Also known as the voice box Larynx
Reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and taking air to and from the lungs Trachea
Where oxygen and carbon dioxide is diffused into the blood stream Alveoli
The major air passages of the lungs which diverge from the windpipe Bronchi
The smaller branches that divide off of the Bronchi Bronchiole

Breathing and gas exchange Word Search

Type
Word Search
Description

gas exchange
inspiration
expiration
exhale
inhale
muscles
intercostal
trachea
diaphragm
alveoli
bronchioles
bronchi
lung

Respiratory System Terminology Crossword

Type
Crossword
Description

the entire process of gas exchange between the atmosphere and the cells respiration
a hollow space behind the nose nasal cavity
bones that curl out from lateral walls of the nasal cavity on each side, dividing the cavity into passageways nasal conchae
air-filled spaces located within the maxillary, frontal, ethmoid, and sphenoid bones of the skull and open into the nasal cavity paranasal sinuses
or throat, is behind the oral cavity, the nasal cavity and the lyrynx; the passage way for food traveling from the oral cavity to the esophagus and for the air passing between the nasal cavity and the larynx pharynx
the enlargement in the airway at the top of the trachea and below the pharynx; it conducts air in and out id the trachea and prevents foreign objects from entering the trachea larynx
the opening between the vocal cords glottis
usually stands upright and allows air to enter the larynx; helps protect from food and liquids to enter the air passages epiglottis
windpipe trachea
consists of branched airways leading from the trachea to the microscopic air sacs in the lungs bronchial tree
arise from the trachea at the level of the fifth thoracic vertebra primary bronchi
smaller tubes that continue to divide giving rise to others bronchioles
very thin tubes, lead to the alveolar sacs alveolar ducts
leads to smaller microscopic air sacs called alveoli alveolar sacs
smaller microscopic air sacs alveoli
soft, spongy, cone-shaped organs in the thoracic cavity lungs
a layer of serous membrane visceral pleura
folded back visceral pleura attached to each surface of the lung parietal pleura
the potential space between the visceral and parietal pleurae pleura cavity
the actions providing air movements, inhalation inspiration
exhalation expiration
synthesize a mixture of lipids and proteins surfactant
iron containing protein hemoglobin
combination of oxygenated blood with the iron atoms of hemoglobin oxyhemoglobin
a deficiency of O2 reaching the tissues hypoxia
carbon dioxide bonds with hemoglobin carbaminohemoglobin

Respiratory system Crossword

Type
Crossword
Description

Upper respiratory tract Throat and nose
Lower respiratory tract, main organs of the respiratory system Lungs
Within the lungs are air passages Bronchial tree
At the ends of the bronchial tree are millions of tiny air sacs Alveoli
Air is carried into alveoli Inspiration
Carbon dioxide is carried up the airways and out of the body Expiration
Group of muscles used for exhaling Intercostal muscles
Most common illness that affects the respiratory system Common cold
An infection of the lungs that causes difficulty breathing Pneumonia
Swelling or inflammation of the bronchi Bronchitis
A fairly common condition that can make breathing difficult Asthma
Air sacs in the lungs that become enlarged and lose their elasticity Emphysema
When the cancer cells grow out of control and destroy the air sacs in the lungs Lung cancer
The cavity that connects the nose and mouth to the esophagus Pharynx
A tube that moves air to and from the lungs Trachea

Respiratory System Review Crossword

Type
Crossword
Description

Movement of air from high to low pressure Diffusion
Smallest structure in respiratory system Alveoli
Zone where air is humidified Conducting
Zone where air moves the slowest Respiratory
Outer membrane attached to chest wall Parietal
Decreases friction Pleural Fluid
Decreases surface tension Surfactant
Movement of air due to pressure differences Bulk Flow
Process of Expiration Relaxation
Primary muscle of ventilation Diaphragm
Elevate rib cage during inspiration Scalenes
Reduce thoracic size durign exercise Abdominals
Assessment of lung function Spirometry
Air left in lungs following expiration Residual
Larger one: Minute Ve or Alveolar Ve Minute Ve
Pressure due to individual gas Partial
Gas with highest partial pressure in atmospheric air Nitrogen
Gas exchange between alveoli Pores of Kohn