Explanation:
Some things consist of only one cell. They are called unicellular organisms. One of the simplest living things, an amoeba, is made of only one cell. Amoebas (sometimes spelled amebas or amoebae) are too small to be seen without a microscope, but they are commonly found in ponds and lakes
Answer:
YOU FOR GOT THE OPTION INEED IT HEHE
Answer:
(a) Muscle B contracts and muscle A relaxes
(b) The Heart
Answer:
the cylindrical bundle of nerve fibers and associated tissue which is enclosed in the spine and connects nearly all parts of the body to the brain, with which it forms the central nervous system.
I don’t speak Espanol but I think that u mean 2 digestão
