The greatest surface area for gas exchange is found in the Alveoli
Polar molecules occur when two atoms do not share electrons equally in a covalent bond. While polar molecules have two parts with opposite charges (i.e., positive and negative), nonpolar molecules have no dipole, meaning that there is molecular symmetry, which results in no opposing charges.
I think it may be a several years not sure correct me if I am wrong .
APGAR is an assessment of how a baby is doing right after the mother gives birth. It identifies if the newborn is ready to meet the world without any further medical assistance. It is compose of 5 aspects namely Appearance,pulse,grimace,activity and respiration and being rate each from 0-2 and the sum of all these would indicate if the baby is healthy or not. In this situation, the baby scores 1 for appearance, pulse and respiration. He or she might score 7-5 which means an unhealthy baby and requires immediate attention like further suctioning and oxygen.