The features that we find beautiful are actually features that show fertility. for example, larger breasts and wider hips are good for child birth and care. Evolutionarily we are attracted to these features because subconsciously we know that these "beautiful" people will be best at producing and taking care of our children. Therefore, we will more likely keep the human race at the best it can be
Answer:
There are 3 main types of T cells: cytotoxic, helper, and regulatory. Each of them has a different role in the immune response. Cytotoxic T cells (Tc cells) have a co-receptor called CD8 on their cell surface. CD8 partners with the T cell receptor and with MHC class I molecules, acting as a sort of bridge.
Explanation: