Answer:
Eat a variety of dairy-free foods that are rich in calcium, such as broccoli, beans, tofu, or soy milk. Consider hard cheeses such as cheddar, which are lower in lactose. Yogurts that contain active cultures are easier to digest and much less likely to cause lactose problems.
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:
The skin is superficial to the muscle
and the muscle is superficial to the skin
