They Increase the surface area available for the absorption of nutrients
Answer:
The Core?
Explanation:
You would think that heat would come from the core but I'm not sure
Answer:
C
Explanation:
The major histocompatibility complex (MHC) is a group of genes whose function is to codify proteins that participate in the immune response, helping the system to <u>recognize foreign substances to develop an immune response</u>.
<u>Histocompatibility or compatibility of tissue </u>is given by self-identifications molecules (antigens) located on the surface of cells, membrane, these molecules are almost <u>unique to each person</u>, letting the body to distinguish self from non-self.
They observe it, run tests on many different things, and do expirments