Nervous System
Diminishes intensity of
process to return to
initial status quo
Negative feedback loop
large vessels that
carry blood away from heart
Arteries
Alveoli are attached to?
respiratory bronchioles
send impulses from
cell body to another neuron or
target tissue
Axon
intercommunication
between 2 arteries ensuring blood flow
to area even if one artery blocked
Anastomosis
most important
inspiratory muscle
Diaphragm
What nervous system is responsible for brain and spinal cord?
central nervous system
percentage of total
blood volume
composed of formed
elements
Hematocrit
Airflow=p1-p2/?
resistance
"Fight or Flight", stimulated when there is danger, thrills or excitement.
Sympathetic Nervous System
decrease in
radius of vessels
Vasoconstriction
portion of pressure due to a particular gas in a mixture
of gases
Partial pressure
Occurs when a stimulus of sufficient
strength depolarizes the cell
Action potential
Changes in HR and SV during exercise affect
______?
Cardiac Output
The rate of gas transfer (V gas) is proportional to the tissue surface area, the diffusion coefficient of the gas, and the difference in the partial pressure of the gas on the two sides of the tissue, and inversely proportional to the thickness?
Fick's Law of Diffusion