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.
Hi, The official number of neurons in the brain range between 10 and 100 billion neuron. Let's suppose, for argument's sake, every human being has precisely 100 billion neurons. The average number of connections for each neuron is about 10.000.