31. But, obviously, the economic activity levels have come down quite a bit since then. 32. I didn't see any more activity level at all anyway from our players ." 33. CB1 receptors detect postsynaptic activity levels via retrograde endocannabinoid release. 34. Research thereafter focused on finding the regions responsible for this constant background activity level . 35. First, they stay indoors more due to decreased activity levels . 36. "His activity level has not been as high as we'd like it to be. 37. With moderate weather conditions and activity levels , dehydration is unlikely. 38. Likewise, they will lower their activity level when food is scarce to preserve energy. 39. The types of birds and their activity level will vary depending on the season. 40. Difficulty with bladder control results in higher rates of depression and limited activity levels .
