Question

What is a stem cell?

A.) Special cells taken from the human umbilical cord
B.)Pluripotent stem cells, not yet specialized cells that are the building blocks for the human body
C.)Special cells that are present in fetuses but not babies or adults
D.)Cell lines taken from the human brain stem

Answer 1

Answer: your answer would be (b)

Answer 2

Answer: B

Explanation: Stem cells are the building blocks of the human body. At the start of life, they divide over and over again to create a full person from an embryo. As we age, they replenish cells in our blood, bone, skin and organs. Stem cells could be powerful tools in treating injury and illness.