I think A but I'm not totally sure!! Good luck.
Scientific law is observations and theory is explanation.
Answer:
B. neuroglia.
Explanation:
Neuroglia, also called glial cells are cells that support neurons structurally and functionally.
There exists two broad classes of cells in the nervous system which are:
- Neurons
- Glia
The neurons process information while the glia support the neuron mechanically and metabolically.
In general, there are three main types of cells that make up the nervous system including the above two.
Answer:
Proton, neutron, and electron
Explanation:
The circulatory system moves the nutrients from the digestive system to all over the body.