how fast do cells reproduce?
<answer> Some like skin cells take 20 minutes to reproduce, while others, like those in the liver cells may take 24 hours. <context> Some cells take 20 minutes to reproduce, while others may take 24 hours. Some, like skin cells, continually reproduce, while others, like those in the liver, don’t usually reproduce in adult humans at all. 2. Ask students to calculate the number of cells produced in a hypothetical scenario.