Time to Be Born, A

Synopsis: Looks at three aspects of development that take place in the first few months of life. The cardiovascular system is already fully developed at birth, but the neonate’s first breaths trigger important changes in the circulation, changes that enable the baby to adapt to obtaining oxygenated blood from its lungs rather than from the placenta. Development of the lungs is incomplete at birth and continues for many months after birth. If lung development is insufficient, for instance in premature babies, respiratory distress syndrome (RDS) can be a threat to life but can be cured if the deficiency of lung surfactant is made up. At birth a baby is thrust from the temperature-controlled environment of the womb into a potentially hostile environment where it must control its own body temperature. For the neonate, the greater danger is becoming too hot. Remote sensing techniques are leading to a greater understanding of the developmental processes both before and after birth.
Series: Animal Physiology, Course S324
Language: English
Country: Great Britain
Year of production: 1993
Availability: Out of distribution
Subjects: Biology; Medical sciences
Keywords: cardiovascular system; physiology - human; respiratory system

Producer

Barrie Whatley

Cast

Barry Paine

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