respiratory system
why do we need oxygen?
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why is it important to breathe through your nose?
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name the 2 products for cellular respiration.
6CO2+6H2O+ENERGY (ATP)
what is the chemical symbol for glucose?
C6H12O6
name the 2 reactants for cellular respiration.
C6H12O6+6O2
write the formula for cellular respiration.
C6H12O6+6O2---6CO2+6H2O+ENERGY (ATP)
what is the chemical symbol for carbon dioxide?
CO2
what is the chemical symbol for water?
H2O
what is the chemical symbol for oxygen?
O2
at the end of the bronchioles, what are the names of the tiny air sacs?
alveoli.
what is the name of the cell organelle where cellular respiration occurs?
alveolus.
name and describe 3 disorders of the respiratory system.
asthma- causes the bronchioles to narrow. emphysema- when the alveoli have been damaged. People who have emphysema have trouble getting the oxygen they need. severe acute respiratory syndrome- have a fever and difficulty breathing.
what are the 2 parts of respiration?
breathing and cellular respiration.
what 2 gases do we exhale?
carbon dioxide and water vapor.
what keeps the trachea from collapsing or closing up?
cartilage rings.
what 2 muscles are involved in breathing?
diaphragm and intercostal muscles.
what is the name of the movement of the gases from the blood to the lungs and the lungs to the blood called?
diffusion.
what tube connects the pharynx to the stomach?
esophagus
what process kicks in when there is not enough oxygen to keep up with cellular reparation during an activity?
fermentation.
what is the name of the protein in blood that oxygen clings to so that it can be carried to cells and tissues?
hemoglobin.
what is the importance of blood in respiration?
it carries oxygen to the tissues.
explain what your diaphragm is doing when you inhale.
it contracts and moves down.
explain what your diaphragm is doing when you exhale.
letting out air and pushing it out.
what is produced in your nose to help filter and moisten the air that you bring in?
mucus and nose hair.
briefly explain how sound is made by the vocal cords.
muscles that are connected to the layrnyx control how much the vocal cords are stretched. when air flows between the vocal cords, the cords vibrate. these vibrations make sound.
describe the flow of air from your nose to your alveoli. start with the nose and include the pharynx.
nose-pharnyx-layrnyx-traachea-bronchi-bronchioles-alveoli.
what gas are we taking in when we inhale?
onygen.
what are the bronchioles?
smaller branches of the bronchi.
what is the name of the tissue that covers the trachea when you swallow?
the epiglotis.
The _____ is the main passage way into and out of the respiratory system.
the nose
what are your lungs doing when you exhale?
there deflating.
what are your ribs doing when you inhale?
they contract and lift your rib cage.
what are your lungs doing when you inhale?
they fill up with oxygen and increase in size.
what are your ribs doing when you exhale?
they relax and lower your rib cage.
what is another name for the pharynx?
throat.
what is the name of the tube that passes air from the pharynx to the lungs?
trachea.
the trachea branches off into 2 tubes that each lead into each lung. what is the name of the tubes?
two bronchi.
what is the common name for the trachea?
windpipe.