Answer:
Purposes that work to maintain homeostasis include the regulation of temperature, maintaining healthy blood pressure, maintaining calcium levels, regulating water levels, defending against viruses and bacteria.
Explanation:
When blood is in the lungs,
where oxygen is plentiful, oxygen easily binds to the first subunit and then quickly fills up the remaining ones. Then, as blood circulates through the body, the oxygen level drops while that of carbon dioxide increases. In this environment, hemoglobin releases its bound oxygen.
The answer is the control group.
the group in an experiment that is not exposed to the tested variable is called the control group
Wash your hands
Clean and sanitize surfaces
corn, (the rest of this i'm just filling out because answers must be a certain length)