Fill in the missing parts to complete the flow chart of how the cells of the immune system develop.

Occurs when the immune system attacks the body. lupus cancer sickle cell disease huntingtons disease

Practice or pre-exercise theories of play pose the idea that a. play provides children with an opportunity to practice adult activities. b. play is necessary to reenergize human cognition. c. children have too much energy and play will rid them of that energy. d. children are the link between animals and human beings.

An obese man 5'5 and 200 pounds, seta a long-term goal to loose 50 pounds which of these is a resonable benchmark he might set for himself