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.
1 Your baby may be born with a little or a lot of hair. It is common for some of your newborn's hair to fall out. By the time he is 6 months old, he should have grown more hair. Your baby's hair may change to a different color than the one he was born with.  At birth, one or both of your newborn's ears may be folded over.