One similarity between cell receptors and
antibodies is that both

A. are produced by nerve cells

B. are highly specific in their actions

C. slow the rates of chemical reactions
D. are involved in digestion

Receptor cells and antibodies are highly specific in their actions. Acntic bodies bind specifically to a protein. The recipient cells bind to a signaling molecule also specifically.

Explanation: B

between the two muscle layers is the myenteric or auerbach's plexus, which controls peristalsis. in the colon, the muscularis externa is much thicker because the feces are large and heavy, requiring more force to push along. the stomach has a third layer of muscularis externa: the inner oblique layer.

of

explanation: