Blood group B individuals have the B antigen on the surface of their RBCs, and blood serum containing IgM antibodies against the A antigen. Therefore, a group B individual can receive blood only from individuals of groups B or O (with B being preferable), and can donate blood to individuals with type B or AB.
Language development usually signals the development of memory and the understanding required to get time out. . Dr. Sears recommends starting time out at 18 months and expects that toddlers will understand it by 2. . For toddlers many developmental experts recommend natural consequences rather than or along with timeouts.
If possible, keep track of how long your child's been in time out. Set a timer so your child will know when time out is over. Time out should be brief (generally 1 minute for each year of age), and should begin immediately after reaching the time-out place or after the child calms down.