The heart sends returned blood to the lungs, where oxygen is exhaled and carbon dioxide is inhaled.
Answer the following statement true (T) or false (F)
False
Health Professions
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Which of the following fluids helps the newborn infant's lungs remain open by reducing surface tension of the alveoli?
A) Amniotic fluid B) Vernix caseosa C) Surfactant D) Meconium
Health Professions
Muscle cells contain cylinders called ________
A) myosin B) myofibrils C) Z bars D) actin
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