1.
Body temperature regulation is a problem in premature
infants because the (1) is not yet fully functional. Cerebral
palsy involves crippling neuromuscular problems. It usually is
a result of a lack of (2)_ to the infant's brain during deliv-
ery. Normal maturation of the nervous system occurs in a
(3) _direction, and fine control occurs much later than (4)
muscle control. The sympathetic nervous system becomes less
efficient as aging occurs, resulting in an inability to prevent
sudden changes in (5) when abrupt changes in position
are made. The usual cause of decreasing efficiency of the ner-
vous system as a whole is A change in intellect due to
a gradual decrease in oxygen delivery to brain cells is called
(7) Death of brain neurons, which results from a sudden
cessation of oxygen delivery. is called a (8)