â¢ The cell cycle is a series of events that takes. place from one cell division to the next. â¢ The time is takes to complete a cell cycle is. not the same in all cells.
A neuron is a nerve cell. The brain is made up of approximately 100 billion neurons. Neurons are similar to other cells in the body in some ways such as: Neurons are surrounded by a membrane. Neurons have a nucleus that contains genes. Neurons contain cytoplasm, mitochondria and other organelles.
There are over 400,094,800 cells in the human brain, while the entire body has about 50 to 75 trillion cells. There are around 200,000,000 brain cells in your brain. There are upward of 100 billion nerve cells in the human brain. 200,000,000,000 brain Cells.