The human brain has roughly 171 billion cells, which makes it a herculean task to categorize them all. Scientists collected samples from different parts of the brain and have identified 3,000 ...
The tail enables the sperm to swim. The nerve cell is extended, so that nerves can run to and from different parts of the body to the central nervous system. The cell has extensions and branches ...
The collection of proteins within a cell determines its health and function. Proteins are responsible for nearly every task of cellular life, including cell shape and inner organization, product ...
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