Low BPG levels indicate a low hemoglobin level in the red blood cells.
Chemoreceptors detect the levels of carbon dioxide in the blood.
No all blood donated is free because it was not payed for.
Glucose is sugar and you need it in your body(blood) to keep you running which is why we say blood sugar levels and if you are diabetic your blood sugar levels are wrong
they are blood testers
Studies have found that respiration can alter the blood volume levels to the fingertips. When inhaling the blood volume levels can increase whilst the blood levels can decrease in the fingertips when exhaling. This is because respiration causes fluctuations in arterial blood pressure and heart rate.
history of blood banks
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Blood banks
Charles Richard drew created blood banks
There are many people who would not be alive if blood banks were not established and on hand to supply the needed donations of blood, and continue to require a new transfusion fairly often; they certainly need blood banks.
pour it over a fire
Glucagon is the hormone that raises blood glucose levels.
Blood banks, and the Red Cross which collects blood for blood banks, do not accept blood from people who have HIV, and they also test the blood that they collect in case it has infections that they were not warned about. Every effort is made to keep HIV out of blood that will be used for transfusions.
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As to the importance of blood, blood banks were established to aid people in need of transfusion, people in state of blood loss', blood banks org. staff including medical laboratory scientist are the ones to secure proper handling, collection, storage and of course precise and accurate way of transfusing into the recipient.
To receive blood that people donated to get blood tranfussions.