the part of the throat that connects the passages of the nose and mouth to the esophagus and larynx
pharynx
the small masses of tissue located on either side of the back of the throat that help trap germs
tonsils
the small organ that contains the vocal cords and connects the pharynx to the trachea
larynx
the two small bands of elastic tissue that stretch across the inside of the larynx and produce the sounds of the voice
vocal cords
the human body system that takes in oxygen and removes the carbon dioxide from the body
respiratory system
when you take air into the body
inhale
carbon dioxide is sent out of your body when you do what
exhale
breathing without thinking about it
involuntary breathing
thinking about and controlling breathing
voluntary breathing
the strong, curved muscle that separates the chest from the abdomen and moves to fill and empty the lungs of air
diaphragm
the two saclike organs that exchange gases with the air
lungs
the thick, sticky substance int eh nasal passages that traps bacteria, dust, and other particles in teh air
mucus
cilia
The nose, sinuses, mouth, pharynx, and larynx are part of the what?
upper respiratory system
the trachea, bronchi, and lungs are part of what?
lower respiratory system
the two openings in the nose where air enters the body
nostrils (nare)
the empty spaces within the bones of the skull
sinus cavities
the open spaces from the nostrils to the beginning of the throat
nasal passages
the job of the sinus cavities
warm and moisturize the air as it moves through the sinuses
the tube that begins at the end of the larynx and leads to the lungs
trachea
the tiny air sacs where gas is exchanged between the air and the blood
alveoli
the tiny blood vessels that connect an artery and a vein
capillaries
the sound caused when air cannot move freely and causes parts of the mouth and throat to vibrate and hit together
snore
an irritation of the cilia int eh trachea or bronchi that causes air to be violently pushed out through the mouth
sneeze
the most common respiratory disease which can affect the nose, throat, and sinuses, eats, and bronchi
a cold