They are similar to animals because they can move and they are heterotrophs (heterotrophs are organisms that cannot manufacture their own food and instead get their food and energy by taking it from organic substances like plant matter).
19 bc 57/3=19 so it makes sense
Human dissection to view body organs began around 1600 bc.
Lit a would need to get some sleep because she will need to be rested and refreshed for the second 24 hr. shift
They Protect Us From Risk