Circulatory System
What structure will have a distinct internal elastic lamina?
muscular artery
Largest artery in the body
Aorta
A vessel that carries blood away from the heart
Artery
Why do you find cartilage in the trachea and bronchi?
prevent it from collapsing
What do clara cells do? (2 things)
- secrete glycoproteins to protect epithelium
- anti-inflammatory role
Which vessel will carry deoxygenated blood?
vein
What is the must abundant artery?
muscular artery
What does blind-end mean?
closed at one end
What is the epithelium of the trachea?
pseudostratified columnar w/ goblet cells and cilia
responsible for exchanging gases within the body.
Alveoli
Molecule carrying oxygen on red blood cells
Hemoglobin
what looks similar to veins?
Name the two functions of the respiratory system.
- remove CO2
- provide oxygen
At what point does cartilage and glands disappear?
bronchioles
respiratory bronchioles
The force of blood against the walls of the blood vessels
Blood pressure
What is unique about the endocardium?
Purkinje fibers
The trachea branches into two ....
Bronchi
Where do you find Clara cells?
bronchioles
What bridges the gaps between c-shaped cartilage plates?
smooth muscle
lumen size
structure
muscular layers
valves
What are the blood vessels within the adventitia layer called?
vaso vasorum
another name of windpipe
trachea
What are the components that condition the air?
(hint: 3 things)
Double the points... how does it condition the air?
warmth by underlying blood vessels
moisture- serous and mucus secretions
filter- mucus traps debris
Double the points... What is the percentage of the cell population of each cell type in the lungs?
type 1 - constitutes part of the thine gaseous diffusion 95%
type 2- secrete surfactant (reduce surface tension to prevent alveolar collapse) 5%