Vocab
Protein in red blood cells that removes oxygen from plasma.
Hemoglobin
What is the addictive ingredient in both "e-juice" and cigarettes?
nicotine
In the lungs, bronchi divide into smaller tubes called _________________.
Bronchioles
What is function of Respiratory System?
Oxygen in, Carbon Monoxide out
Tubes that branch from the trachea and lead to each lung.
Bronchi
this chemical causing scarring of the alveoli- popcorn lung.
diacetyl
What gas comes in?
oxygen
This is a cavity at the back of the throat. Passageway for air and food.
pharynx
Why is second hand smoke dangerous to children?
lungs developing
Hairlike projections that filter air
cilia
Substance that is the result of burning tobacco and other plant residue. Contains 60 cancer-causing compounds.
tar
What gas goes out?
carbon dioxide
What flaps over the trachea to prevent food from entering?
epiglottis
Why do capillaries surround alveoli?
So gas can move from alveoli to blood.
Small sacs that provide a huge surface area for gas exchange.
Alveoli?
Gas that blocks hemoglobin from binding with oxygen
carbon monoxide
What happens to your respiration rate when Carbon dioxide levels increase?
It increases your breath faster
Are the lungs muscles?
no
Why are there so many alveoli?
small to increase surface area to volume ratio
Region of the brain that controls breathing.
What is the Medulla Oblongata?
Name 2 chemicals found in e-liquid and discuss effects.
diacetyl - popcorn lung, lung disease
formaldehyde - lung cancer, lung disease
nicotine - addictive, increase bp, breathing rate
acrolein - lung cancer, COPD
What has to happen to the chest cavity so air can rush in (be specific)?
diaphragm contracts and lowers, intercostal muscles contract and rib cage rises, volume of chest cavity increases, air rushes in
What muscles are involved in breathing?
diaphragm and intercostal
What is the passageway for oxygen from atmosphere to blood
nose or mouth- pharynx- larynx- trachea- bronchi- bronchioles- alveoli- capillary