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:
Going to movies, dances, or other events in a group is a good idea for teenagers because, all of the above.
All of the options listed are positive effects towards the teenagers, which make them safe in the situation. Going out with friends does remove the expectation of sexual activity, can reveal a lot about a person, and allows others to get to know each other.
getting their car or license taken away
Digestive system is the system of organs which digest food. Human digestive system is consisted of the gastrointestinal tract and the accessory organs of digestion. Accessory organs of digestion are: the tongue, salivary, glands, pancreas, liver and gallbladder. The digestion in this system has many stages, and the first one starts in mouth, and it is called oral cavity. D<span>igestion means breakdown of food into smaller and smaller and smaller components which can be absorbed and assimilated into the body...</span>