A new mother was concerned b/c just before they discharged t…

A new mother was concerned b/c just before they discharged the mother and the newborn infant from the hospital the nurse administered a “heel prick” test.  It was explained to the mother the heel prick and the blood sample taken was to look for indications in the blood of rare medical conditions, such as phenylketonuria or PKU.  What region of the baby’s body was this blood taken?

The part of the membrane that lines the walls of the cavity…

The part of the membrane that lines the walls of the cavity for example:  this type of serosae lines the walls of the thoracic cavity or the walls of the pericardial cavity or the walls of the abdominopelvic cavity.  This serosae is not in contact with the organ but it is in contact with the tissue.  Please select the name for this type of serosae.