1) cells are the smallest units of life
2) living organisms are made up of cells
3) all cells come from existing cells
Answer:
The correct answer is d. provide structural support and nutrition to the neuron.
Explanation:
Glial cells are the cells that surround the neurons and provide structural support to them. They also help in insulation for neurons. They are the most abundant cells present in the nervous system.
Many glial cell plays a role in providing nutrition and oxygen to the neurons and regulation of extracellular brain fluid. Glial cells also helps in cleaning up the dead neurons.
The different types of glial cells are ependymal cells, schwann cells, microglia, oligodendrocytes, astrocytes, and satellite cells. So the right answer is d.
Explanation:
A pulsar is a rapidly rotating neutron star which emits large amounts of electromagnetic radiation and particle jets. A neutron star is what is left over when a star 4 - 8 times the mass of our sun burns up most of its fuel and explodes in a supernova.
