On Friday, you play Xbox Kinect Dance Central 2 through the night. The next morning you try cutting the grass but your arms, legs, and back ache. You are “in a fog” and forget to add gas to the lawn mower, your vision is blurry, and you are somewhat irritable. What happens in your body to recover from sleep deprivation?

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.