T cell receptor, Cytotoxic T Cell, CD4, Antigen, Bacterium,
B – cell, Cell mediated response, Class II MHC, Cytokines, and Humoral Response
are the components for the activation of a helper t cell by a dendritic cell.
The autonomic nervous system releases chemical messengers to influence its target organs
Answer:
Pressure sensing cells
Explanation:
Merkel cells provide information on pressure, position and deep static touch features such as shapes and edges. They are tactile sensors on the business of mechanotransduction. They encode surface features of touched objects into perception, but also have to do with proprioception.
Yes, because even though other trees produce more oxygen, the small trees will still produce some oxygen. On top of this there are more small trees than big trees, so even though they make less oxygen, in whole they end up making more when added together!
Just like a compass, a modern day gps will say whether you're going north, east, south, or west, however they also tell your exact location and the location that you need to go too.
