Explain the relationship between the sarcoplasmic reticulum and the transverse tubules

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

Compare the shapes of the bones of the human skull with the shapes of the bones of the human leg. how do the shapes differ? why are the shapes important?

Which is a kingdom? protistachordataprokarya mammalia