<em>T cells ( The thymus cells) and B cells ( The bone marrow) are the major cellular components of the adaptive immune response . T cells are involved in cell- mediated immunity , whereas B cells are primarily responsible for humoral immunity </em>
<em>Explanation:</em>
<em>Your body can produce the most effective weapons that are against the invaders, which may be bacteria, viruses or parasites. Other types of T-cells recognise and kill virus-infected cells directly. Some help B-cells to make antibodies, which circulate and bind to antigens. A T-cell (orange) killing a cancer cell (mauve).</em>
"The first stage, which includes the light-dependent reactions" is the stage of photosynthesis among the choices given in the question that <span>Inglehaus’s experiment reveal. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer helped you.</span>
<span>Stimulation of thoracic or lumbar spinal regions; impulse reaches chain ganglion; acetylcholine release</span>. Acetylcholine is released if the synapse happens in the sympathetic ganglion, if the synapse is in post-ganglionic neuron, norepinephrine is released.
