Leukocytes are not limited to blood. They occur elsewhere in the body as well, most notably in the spleen, liver, and lymph glands. Most are produced in our bone marrow from the same kind of stem cells that produce red blood cells. Others are produced in the thymus gland, which is at the base of the neck.
Once your baby is past 3 months than that is no longer a newborn. But that isn't considered a toddler either yet. They are a baby up until they start to walk then they are called a toddler. Source(s): My opinion. chicken2008 Â· 6 years ago. Thumbs up. 0. Thumbs down. 0. Comment.
At 13 months, your baby may be walking on his own, but probably a bit unsteadily. If your baby still hasn't stopped cruising, it just means walking on his own is going to take a little longer. Some children don't walk until they are 17 months or 18 months old.ost babies take their first steps by their first birthday. By the time they're 15 months old, most toddlers are walking unaided, though often with uneven steps (Harding 2014, Sheridan 2008) . Try not to worry if your baby takes a little longer.