Neuroscience-Questions-science-homework-help

1) To the closest pound, how heavy is the average adult brain?

2) What does the eye’s lens do to the orientation of the visual image?

3)About how many nerve cells are in the human brain?

4) Holding a memory in mind while we think about it is called what type of memory?

5) During what period of sleep do we dream?

6) Name the contact points where one neuron communicates with another.