Answer:
sympathetic: relating to or denoting the part of the autonomic nervous system consisting of nerves arising from ganglia near the middle part of the spinal cord, supplying the internal organs, blood vessels, and glands, and balancing the action of the parasympathetic nerves
parasympathetic: relating to the part of the automatic nervous system that counterbalances the action of the sympathetic nerves. It consists of nerves arising from the brain and the lower end of the spinal cord and supplying the internal organs, blood vessels, and glands.
Explanation:
Answer:
Each and every cell is encircled by a membrane. this is not a mean feature of a cell theory.
Explanation:
All living organisms are composed of cells.They may unicellular like bacteria,fungi and protista and multicellular like plants,animals etc.
A cell is basic unit of life as gene is a basic unit of heredity.According to cell theory cells are arise from a pre-existing cells. The two kinds of cells are Eukaryotic cell with a definite nucleu
Yes. Brain cells need oxygen to survive.
