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.
 What to expect from your 16 to 18 month old . Month 16. Most toddlers should be able to. . . Turn pages of a book when you read. Gets attached to stuffed animal or other object. Walk well. Sing and like to sing. Get upset when frustrated. Some toddlers will probably be able to. . . Walk backwards.