What is the maximum number of molecules of oxygen that can bind to hemoglobin? -
ANSWER>>4
The lungs are in the thoracic cavity, but they are also in another cavity. What is the name of that
other cavity? - ANSWER>>Pleural cavity
When oxygen passes from the lungs into the circulatory system as a gas, how many cells does it
have to pass through to be in the circulatory system? - ANSWER>>2, Alveoli and Capillary
The excretory system uses oxygen because oxygen diffuses more rapidly into the excretory
system because it contains water in the urine. - ANSWER>>False
In the proximal convoluted tubule useful molecules are collected and brought back into the
circulatory system such as glucose and amino acids, but not the toxic materials. -
ANSWER>>True
Blood pressure is the force that drives molecules out of the glomerulus into the Bowman's
capsule. - ANSWER>>True
Blood pressure drives red blood cells and plasma proteins out of the glomerulus. -
ANSWER>>False
There is a reserve of oxygen in the muscles held by . -
ANSWER>>Myoglobin
