Explain how the structure of skeletal muscles contribute to their function. Discuss the process of excitation/contraction and how the organization at the tissue, cell, and molecular level aid that process. Make sure to explain the sliding filament theory and neuromuscular junction.

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

What is the average speed of a car that traveled 300.0 miles in 5.5 hours