True or False: We lose about 2 Billion neurons throughout our lifetime: *
True or False

Injuries in the environment are a result of a. lower level activities. b. irresponsibility. c. mismatch between a child's abilities and activities. d. children not paying attention.

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

Which part of the female reproductive system produces sex hormones and contains eggs? the uterus the ovaries the vagina the fallopian tubes