Fact 1: Oxygen is essential for cellular respiration for all aerobic organisms.

Fact 2: Less oxygen for the mother means less oxygen for the baby.

Given the two facts above, answer the question "What process is needed to support a baby in the womb?" with the following options: 
- Perspiration
 - Energy
 - heating liquids
 - Respiration
 - organs
 - Validation
 - Energy.
 - Doctrination


 

    Respiration     