A neuron is an electrically charged cell that uses electrical and chemical signalling to transfer information. When neurons bond with each other, they form networks. Neurons are specifically found in the nervous systems of most animals. Neurons stop reproducing after birth, so some parts of the brain have more neurons at birth than later in life because neurons are not replaced when they die.
A myocyte is the type of cells you find in muscles. Each myocyte contains very long chains of sacromeres known as myofibrils. There are cardiac, skeletal, and smooth muscle myocytes. Cardiac myocytes are responsible for igniting the electrical impulses that control the heart rate.
Sperm cells are the male reproductive cells, found in most plants and animals. All sperm cells that meet with an egg of a female grows into a new organism. Without the sperm cell, no plants or animals would be here in existence.
All of these cells are formed from other cells, are the basic structure and function of living things, and exist in all living things.
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