Osmosis important to cells
a. cells are fillers with fluids that are made mostly of water
b. cells need to get rid of large particles they don't need
c. cells are usually dry
d. cells need to move from place to place

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

Name 3 injuries and two diseases that affect the skeletal system.