Breathing
In order to live and function, every cell needs
oxygen
Inhaling is breathing in, and exhaling is breathing ____.
out
Cells use oxygen and produce __________.
carbon dioxide
Also called the windpipe
trachea
Which respiratory disorder often causes the muscles around the bronchial tubes to tighten more than normal, making it hard for a person to breathe?
asthma
Which part of the body controls breathing?
brain
The pitch of a sound that you make depends on the length and _______ of your vocal cords.
thickness
Which part of the respiratory system is the flap of tissue that covers the trachea when a person swallows?
epiglottis
Tiny air sacs in the lungs
alveoli
When the lungs become infected, a person has __________.
pneumonia
Which part of the respiratory system is strong, curved muscle attached below the lungs to the lower ribs and backbone?
diaphragm
Two tubes that branch off the trachea
bronchi
Which parts of the respiratory system are saclike organs that replace the carbon dioxide in your blood with oxygen?
lungs
Also called the voice box
larynx
Cigarette smoke contains poisonous chemicals that harm your _______ and body.
lungs
breathing
Where does the exchange of oxygen and carbon dioxide take place?
in the alveoli
Also called the throat
pharynx
Irritation to the lining of the airways causes air to be violently released through the nose in a ______.
sneeze
A Christian should take care of his body because our bodies are created by _____ and belong to ____.
God; Him
Breathing that you can think about and control for a short time is called ___________ breathing.
voluntary
Tiny hairlike structures that line the nasal passages as well as most of the respiratory system
Cilia
Tiny blood vessels that surround the alveoli
capillaries
The sounds caused by air that cannot move freely and causes parts of the mouth and throat to vibrate and hit together is a ________.
snore