Rhombus - Area. 1  As for all parallelograms, the area K of a rhombus is the product of its base and its height (h). 2  The area can also be expressed as the base squared times the sine of any angle... 3  or in terms of the height and a vertex angle... 4  or as half the product of the diagonals p, q...
Helper T cells augment the immune response by recognizing the presence of a foreign antigen and then stimulating antibody production and producing cytokines that âturn onâ or activate other T cells. Regulatory T cells function in an opposite manner: they dampen or turn off the immune response.
Overview. Immune function is helped by two kinds of white blood cells. The âB cellsâ (so-called because they develop in bone marrow) produce antibodies. The âT cellsâ (so-called because they develop in a small organ called the thymus gland) are responsible for a variety of other immune responses. These responses include: 1  direct attacks on foreign substances such as bacteria, viruses, or foreign tissues; 2  augmenting the B cell response; and.