Answer:
An ATOM!, is the smallest unit of matter that has characteristic properties of its element. Explanation: An atom a major part of the matter. (Everything in the world (except energy) is made of a material, and, so, everything in the universe is composed of atoms.
Answer:Pigs have the same DNA as humans
Explanation:
The human heart has only 4 chambers. Left and right atria and left and right ventricles.
Um..... because it could have high levels of mercury, an mercury consumed during pregnancy has been linked to developmental delays and brain damage
Answer:
El sistema nervioso tiene dos partes principales: El sistema nervioso central está compuesto por el cerebro y la médula espinal. El sistema nervioso periférico está compuesto por todos los nervios que se ramifican desde la médula espinal y se extienden a todas las partes del cuerpo.
