What is #1 pointing to in this diagram?  

When a neuron is stimulated, Na+ gates open and allow Na+ to exit the cell.

The area of the sarcomere that contains only thin and elastic filaments is the I band.

What is #5 pointing to in this diagram?  

What is #4 pointing to?  

Find the x-intercepts and y-intercepts of the graph of the equation.y = x2 – 5

Answer the question.How can the graph of f(x) = -(x – 8)2 + 2 be obtained from the graph of y = x2?

This is a sheet of connective tissue that separates neighboring muscles or muscle groups from each other and from the subcutaneous tissue.  What is the proper name given to this sheet?

Solve the equation.(2x + 4)3/2 = 64

This is a diagram of the neuromuscular junction.  Label “A” is the neuron.  Label “B” is the muscle cell.  What type of transport occurs to control ion flow through the neurolemma as shown in #8 of this diagram?