What is the name of the connective tissue by #3 arrow?  

What muscle is arrow 73 pointing to?  

What is the name of the muscle that letter “A” is pointing to?  

Which letter is pointing to the platysma?  

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