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16 Cards in this Set

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During ventilation, gases enter and exit the circulatory system by the process of ______________.
diffusion
The amount of water pumped by a crayfish past its gills is proportional to what? __________________________
amount of O2 crayfish takes in
Why is nitrogen gas bubbled through the water in this laboratory exercise? ___________________________________________
expose crayfish to low conc of H20
In what direction do crayfish pump water? ________________
anterior (forward)
In the crayfish physiology lab, you will be taking oxygen concentration data readings every ____________ minutes.
5
Blood pressure is defined as _________________
ratio between critical pressure @ time of ventricular contraction and relaxation
Vessels that carry blood away from the heard are called ____
arteries
Blood pressure is highest at the time of ____________
ventricular contraction
The highest blood pressure reading is called the _________
systolic pressure
During ventricular relaxation, you will measure the ______________ pressure.
diastolic
A ____________________ consists of an inflatable armband, rubber bulb, and a pressure gauge.
sphgmamanometer
The arm-band is initially inflated to a pressure that stops ____________
blood flow to the arm
When you can first hear a pulse in the stethoscope, the gauge will measure the ______________ pressure.
systolic
In what units is blood pressure measured? ________________
mmHg
_____________________ are tiny vessels that connect the arteries to the veins.
capillaries
Vessels that carry blood towards the heart are called ____________
veins