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Physio I Revu
Where does gas exchange
occur?
The alveoli
What is the formula for cardiac
output?
CO = SV x HR
What hormone increases blood
glucose?
glucagon
Where does most protein
digestion occur?
The stomach
Where is the center for
thermoregulation?
The hypothalamus
In what form is most CO2
transported by the blood?
Bicarbonate ion
HCO3-
What happens during the P
wave of an ECG?
Atrial depolarization
What blood vessels have
valves?
veins
What happens to internal
thoracic pressure during
inhalation?
It decreases
What molecule carries oxygen?
hemoglobin
What cells make insulin?
Beta cells in pancreas
What chemical do parietal cells
release?
HCl
What happens to capillaries in
the skin when we get cold?
vasoconstrict
What is normal systolic
pressure for a healthy young
adult?
110 mm Hg
What do we call the maximum
volume of oxygen that a person
can take in at maximal
excercise?
VO2 max or
Max VO2
How does sweating cool the
body?
It evaporates
What mechanism is used on
most homeostatic controls?
Negative feedback
loop
What is the name of the volume
of air we inhale and exhale at
rest?
Tidal volume
What drives gas exchange in
the lungs?
diffusion
What enzyme breaks down
starch in the mouth?
Salivary amylase
What is the technical name for
the process of inhalation and
exhalation?
ventilation
What does bile do to fats?
emulsification