These are signs of
an immature circulatory system, and they are all quite normal.
It is a sign of
an immature circulatory system and not low oxygen.
Not exact matches
You must remember, however, that babies do not have the ability to control their body temperatures because their
circulatory system is still
immature.
Ranging from the size of a freckle to that of a coaster, these bumps are created during fetal development when
immature veins and capillaries break away from the
circulatory system.
The AHS reports
immature heartworms in the
circulatory system can cause serious and long - lasting respiratory disease even when no adult infection occurs.