Which of the following is true? Which of the following is true? Skeletal muscle lacks the coarse connective tissue sheaths that are found in smooth muscle. Smooth muscle lacks the thin and thick filaments characteristic of skeletal muscle. Skeletal muscle fibers contain sarcomeres; smooth muscle fibers do not. Skeletal muscle fibers tend to be shorter than smooth muscle fibers.

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is 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

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity

What goes in and out of a cell respiration?