Ate about 2000 calories yesterday she was not feeling well so she laid around and watch TV all day and burn one 1200 calories if Sandra did this all week she would lose weight because she is in a state of energy balance.
Hope this helps!
What do you mean? like planning lessons or is that just the question?
Answer:
skeletal system
Explanation:
blood cells are made in the bone marrow, which is part of the bones, which is part of the skeletal system
