Answer:
Photosynthesis and cellular respiration
Explanation:
the plants are using photosynthesis and the humans and animals are using cellular respiration.
It happens during the s phase
The most important step to take in the case of the scenario given in the question is to assess and establish adequate ventilation. Deprivation of oxygen causes the heart rate to drop because the heart is not getting enough oxygen, and the single most important and effective thing to do in this situation is to ventilate the lungs of the baby.