Which of the following statements about idea models is not true?

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal response by in order to it's core temperature.