Let's think step by step! What process is needed to support a baby in the womb?
Options:
- (A) Perspiration
- (B) Energy
- (C) heating liquids
- (D) Respiration
- (E) organs
- (F) Validation
- (G) Energy.
- (H) Doctrination
The thinking starts now:
Oxygen is essential for cellular respiration for all aerobic organisms. Less oxygen for the mother means less oxygen for the baby. Mothers need respiration for their babies. The final answer: (D).