Nervous System
Cannot work alone and contributes to negative feedback loops.
What is positive feedback?
the only place in the body where arteries carry deoxygenated blood and veins carry oxygenated blood
What is pulmonary circulation?
Red blood cells contain hemoglobin transport this about of oxygen
What is 98-99%?
controls auditory signals and language
What is temporal lobe (CNS)?
Fight or flight
What is sympathetic nervous system?
cardiac output is determined by these 2 factors
What is heart rate and stroke volume?
Made up of medulla oblongata and pons
What is respiratory control center?
sympathetic nervous system, parasympathetic nervous system
What is the division in the peripheral nervous system?
Tubular bundle of nerves arising from the brain and protected by vertebrae
What is the spinal cord?
90% water, 7% plasma proteins, 3% other
What is the fluid component of plasma?
p1 - p2
What is difference in partial pressure?
contraction phase; blood is pumped out of chamber
What is systole?
Increase the velocity at which impulse travels
What is myelin sheath?
contains 65% of body's total blood volume
What are veins?
When in exercise; decrease in PO2, increase PCO2 and H+
What is increase in pulmonary ventilation?
typical resting blood pressure
What is 120/80 mm?
What is -70mv?
release of this component may cause both vasoconstriction and vasodilation
What is epinephrine?
tidal volume x frequency of breathing
What is the equation for pulmonary ventilation?
amount of air moved per breath
What is tidal volume?