Respiratory Flashcards
When do cells die?
When they are deprived of oxygen
What is among the first to die?
Brain cells
When does biological death begin?
4-6 mins onset of hypoxia
What is hypoxia?
Deficiency of Oxygen
What is Inhaled Air comprised of?
21% Oxygen
78% Nitrogen
1% Carbon Dioxide
What is Exhaled air comprised of?
16% Oxygen
78% Oxygen
>6% Carbon Dioxide & Moisture
What are the three systems to ensure adequate oxygenation of the brain and other cells of the body?
Respiratory System
Cardiovascular System
Central Nervous System
What does the Respiratory System do?
Delivers Oxygen
Supplies the body with oxygen and eliminates the waste product of metabolism (Carbon Dioxide)
What does the Cardiovascular system do?
Circulates oxygen
Transports the oxygen to the entire body from the lungs and brings carbon dioxide from the cells of the body back to the lungs for elimination.
Shat does the Central Nervous system do?
Regulates both
Controls and coordinates the activities of the other systems
