Red blood cells have a limited lifespan. as they age and become damaged they are destroyed by what in the liver and spleen

Which statement describes the relationship between parenting choices and their effects on children? a) neglected children will show more empathy. b) encouraged children will show more curiosity. c) children with very permissive parents will be violent. d) children with resilient parents will work well with others.

What should you not do when doing abdominal workouts? a. keep your chin off your chest b. keep your head aligned with the spine c. put pressure on your neck d. all of the above

True or false. repeated drug use may lead to drug tolerance which occurs when a user requires larger amounts of the drug to achieve the desired effect.