Functions of Respiratory System
What is the function of the respiratory system?
Conducts air into and out of lungs, exchanges gases between air and blood
Where does the flow of oxygen go to after reaching the nose?
The nasal cavity
Where does the flow of oxygen go to next after reaching the bronchi?
Bronchioles
Define pulmonary
Delivers blood
from heart to lungs & back to
heart
What are small veins that carry
blood toward heart?
Venules
What does the function humidifying air mean?
Prevents damage to membranes due to drying out, cold conditions
Where does the flow of oxygen go to after reaching the nasal cavity?
Pharynx
Define peripheral
Delivers blood from
heart to body & back to heart
What are vessels that carry blood
toward heart?
Viens
What does the function of warming air mean?
It helps maintain temperature of lungs and respiratory surfaces
Where does the flow of oxygen go to next after reaching the pharynx?
Larynx
Define arteries
Large vessels that
carry blood away from heart
What is the tough,
membranous sac that
encases heart?
Pericardium
Mucus traps airborne particles, Cilia move mucus toward oral cavity
to be expelled
Where does the flow of oxygen go to next after reaching the larynx?
Trachea
What are small branch arteries?
Arterioles
In pulmonary circulation, the arteries carry what?
Deoxygenated blood
Where does the flow of oxygen go to next after reaching the trachea?
Bronchi
What are the smallest vessels;
site of gas & nutrient exchange?
Capillaries
In pulmonary circulation, the veins carry what?
Oxygenated blood