Answer:
Stem cells are simple, unspecialised cells found in animals and plants that have the ability to divide to form cells of the same type. They can also differentiate into a variety of specialised cells. Stem cells can be harvested from embryonic umbilical cord or adult bone marrow.
Nerve cells or neurons are, fundamentally, cells of the nervous system, they are responsible for the transmission of nerve impulses and communicate with one another through connections called synapses .
Neurons are typical of all vertebrates, although in the rest of the animal kingdom there are other cells that have similar functions.
So, the right answer is A. Horse.
C mitochondira and chloroplasts because they replicate by binary fission which is the same as prokaryotic cell division
It decreases the rate of some chemical reaction that help the body in various ways,example is the hydrochloric acid that helps in the breaking down of proteins ,so when you have fever ,it reduces the activeness of the chemical,that's why u always feel to throw out when you have fever