Individuals who are anemic generally do not exhibit an increase in respiratory rate or tidal volume, even though their blood is not carrying enough oxygen. Why?  Considering that surfactant is...

Individuals who are anemic generally do not exhibit an increase in respiratory rate or tidal volume, even though their blood is not carrying enough oxygen. Why?

 Considering that surfactant is produced in sufficient quantities at around 35 weeks, discuss why premature babies have a higher risk of respiratory distress at birth.