What is the body system that consist of muscles that provide motion and maintain posture

Desiree has a scientific question that she wants to investigate. she has developed a hypothesis and method for her experiment. which step of scientific inquiry should desiree take next? desiree should present her findings to her teacher and classmates. desiree should collect data, which may support or refute her hypothesis. desiree should provide an explanation for her results.

After fertilization zygote blank a) disappears b) begins to changes c) remains the same

Should there be criminal responsibility for medical errors